35+ Best 18th Birthday Wishes for Grandson (Funny & Sweet)

Looking for 18th birthday wishes for grandson? Be happy, as you have found the perfect article.

In this article, I have written for you some of the best happy 18th birthday wishes for grandson that you can send and wish him a happy birthday.

Read: Birthday Wishes for Inspirational Person

Happy 18th Birthday Wishes for Grandson

You’re growing up so fast and there’s nothing more precious to me than seeing you grow every day. Happy 18th birthday to this super boy.

Who has thought a tiny baby would turn into such a smart young man? Love you, my little boy. Happy birthday!

Dear grandson, I knew it, my sweet boy will turn into a charming young man! Happy 18th birthday!

Happy 18th Birthday Wishes for Grandson

Enjoy this special time in your life because soon enough you’ll be all grown up! Love from your favorite grandma. Happy 18th birthday!

Have the best 18th birthday ever grandson! This is an amazing milestone to hit and hopefully, it goes well for you from here on out.

Happy birthday to this young handsome boy. You are now officially an adult. Whatever happens, though know that we are always here for you.

You are like the best grandson any person could ever ask for, I don’t know what I would do without you here with me. Happy 18th birthday my little boy.

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Being your grandparents, we wanted to send our blessings to you on this special day of your life. Happy 18th birthday my boy.

To my grandson on his 18th birthday: May all your dreams come true today and always. Love you so much!

Happy birthday wishes for my grandson! You’ve grown up so fast over the years as a youngster but also as a young man who is so smart, mature, and handsome.

May there be many more happy days to come! Enjoy your 18th birthday, my dear grandson!

Happy 18th birthday wishes for my grandson! May you have the best time of your life today?

Read: 18th Birthday Wishes for Nephew

Sweet 18th Birthday Wishes for Grandson

18th Birthday wishes for grandson – I’m so blessed to have you in my life. Happy birthday!

On your 18th birthday, our wish for you is that everything in this special year is always filled with happiness and blessings. HBD Boy!

Happy birthday to my wonderful grandson. You are such an amazing person and I’m glad that you’re part of my life.

You’re almost a full-fledged adult, but you’ll always be a baby in my eyes. Enjoy this special day. Happy 18th birthday my grandson!

Hey grandson, you’ve grown up so much over the last year. It’s scary how fast time flies by. Happy 18th birthday!

I’m proud of all your accomplishments and love you very much! May this be the best exciting year for you! Happy birthday with lots of hugs.

I remember when you were just a little boy…The memories we have made together will last for a lifetime! Happy 18th birthday Grandson!

I couldn’t be more proud of the man you’ve become. Happy 18th birthday!

You make me proud as a grandson. Have an extraordinary day and a wonderful year ahead.

For all the things I love about you, I hope one day you find it in your heart to forgive me. But if not, I understand completely- enjoy your special day!

Read: 18th Birthday Wishes for Niece

Funny 18th Birthday Wishes for Grandson

Happy 18th birthday! You’re finally legal…legally stupid…but still stupid.

Your awkward stage was already long enough, so I’m glad this is your last year in it. Happy 18th birthday, may you grow up to be a responsible adult.

Uh oh, your adulthood is here…close your eyes while I take a picture of this moment. Happy 18th birthday!

The only worst thing than being underage is actually becoming an adult but yeah, happy 18th birthday!

Please enjoy these last 4 candles on the cake because it means you’ll be enjoying your next year with all 20 candles still lit up at their fullest potential. Happy 18th birthday!

Hey look, another year has gone by and you’re back in my life for 364 days until the cycle repeats itself again. HAPPY BIRTHDAY!

It seems like yesterday that we were throwing you a 16th birthday party, but nowhere you are celebrating your 18th birthday. Happy birthday!

How did this happen? You were 16 yesterday, but today you’re all grown up…time really flies by doesn’t it? Happy 18th birthday!

Get ready for a hell of a celebration tonight because I’m not letting anyone forget this special day. HAPPY BIRTHDAY!

No need to ask if you’ve done anything stupid yet lately because the change in your age says it all. Congrats on turning 18 and welcome to adulthood!

You finally made it…We can stop pretending we don’t know how to get our hands on alcohol and go all out once more without any parents looking over our shoulders. Do something epic on your 18th birthday.

As you turn eighteen today, we just want to remind you that it is perfectly OK if partying at unearthly hours turns into a habit. We will be there for support. Happy 18th birthday!

Read More: Funny Happy 18th Birthday Wishes

I hope you have enjoyed reading this article and found some of the best 18th birthday wishes for grandson. Now it is time to wish him a happy birthday. Lastly, if you found this article useful then feel free to share it.

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