birthday suit

Nude; not an inch of clothing on your body(We were born naked)

" For her anniversary, Mrs. Smith got into her birthday suit for Mr. Smith."

by Ashanda February 4, 2007

birthday twin

someone who has the same birthday as you.

whether it be same day, month or year.

Person 1: Hey man It's my birthday.
Person 2: Noway! It's mine too!

Person 1: Hey man, we're birthday twins!
Person 2: Cool man!

by ROCKGODFROMTHE60S January 23, 2016

birthday wig

Pubes. Usually refers to a woman's.

"My mom's birthday wig is at the cleaner's."

by wainscotting March 15, 2009

birthday question

"What's the biggest lesson you learned this past year?" It's something you ask a family member or friend on their birthday.

"Erin, it's your birthday. Time for the birthday question. What's the biggest lessoned you learned since the last one?"
"Uh... I need time to think about that."

by TornadoAlley June 17, 2013

birthday roll

90’s slang for an ass whooping performed by your friends on your birthday.

“Josh’s birthday is today - let’s birthday roll him after school!”

by Jamz July 29, 2020

birthday window

The days just before and after the actual day of your birth that can also be celebrated.

"My birthday is actually the 6th but I celebrate for my whole birthday window."

by jacqwest November 15, 2009

birthday pants

an expression used to describe outrageous colored or styled pants; often in bad taste

"wow dude, look at those pants. it must be her birthday" or "if she had friends they'd tell her not to wear birthday pants"

by j-liddicoat January 19, 2009