A smaller-than-usual candy bar that usually comes in bags of 20 or so. Usually bought for distribution over Halloween.
I spent the whole day eating fun sized Snickers that my parents bought for Halloween.
small, easy to pick up, and easily fuckable
"wh.. what??"
"yeah, fun sized, small, easy to pick up,
AND FUCKABLE-"
another word for a short person
emily(a short person): hey whats up??
michael(tall person): nothin much. guess what?
emily: what?
michael: your fun sized!
The best way to describe your cock if it's below average and you must divulge the information in an honest way. A favorite with fun sized girls.
So how big is your cack? Fun size baby, once you pop you can't stop.
what a guy calls his tiny penis to make it sound better
I know... It's fun size
a girl who is either short or tall that is also hot
"i'm a frickn' giant"
"no you aren't your fun size ;)"