When a mans testicles become soft, sweaty, and cling to the inside of his thighs. Often occurs simultaneously with Swamp Ass
"The warm summer weather was causing Timmy to develop a nasty case of soup sack."
Can refer to any internal organ or even a human being at large.
The doctor says there is something wrong my blood sack.
One who is generally dumb and does not understand references to simple subjects. Usually abbreviated to F.S.
Me: Dude, Johnny just got Glenn Beck and Ed Hardy confused.
Friend: What an Flour Sack!
Me: I know! He's a total F.S.
A place at which your testicles used to be
Your right he doesn't have balls, it's just a flappy sack!!
one's proficiency at sexual intercourse; how good they are "in the sack"
all the guys agreed that she was beautiful, but none would date her because her sack game was non-existent
When a scrotum is so old that it gets stuck to the inner-thigh.
"Ew, don't go with that dude, he has a massive dragon sack!"
The act of warming ones balls by releasing flatulence within confined clothing
Yo man, my nutz were cold until I floated a sack warmer.