scrotflap 

1. a flaccid testicle that hangs out of the wearer's shorts; 2. a deruagatory term for an unwelcome party guest that becomes the last person at the party.

1. I hate these shorts, my scrotflaps are always hanging out. ; 2. Zack is such a scrotflap sometimes, I wish he would just get the point that we don't want him hangin out for 58 hours in a row.

scrotflap by Mike D to the Nizzle May 19, 2005

Scroflakes 

Dandruff of the testicular region

Kate just loves it when she’s piping her guy off and she finds herself in the middle of a scroflake shower
Dean hates it when he sees scroflakes drifting in his underpants

Scroflakes by Scroflake warrior March 2, 2018

Scrotalator 

An individual who fidgets and/or fondles his testicles multiple times a day without cognitive awareness

“Johnny seems to touch himself a lot....”
“Yea, he’s a scrotalator, he can’t help himself”

Scrotalator by Dirtydrop August 16, 2018

scroteslap 

dont piss your g/f off in bed

or shell giv ya a scrote slapp.

sorry for callin ya a bitch but did ya have ta scrote slap me

scroteslap by jonny bravo October 9, 2003

Scrotularly 

Thinking it terms of one's ballsack. Putting the sack before all other priorities. Ball-bias.

I wanted to focus on my studies, but I kept thinking scrotularly, in the end i ended up with some sweet sexual intercourse.

Scrotularly by Stephen Jouflas May 23, 2005

scrotilaginous 

(SCRO-til-AG-gin-ous)

adj. 1.)having, or consisting of, a texture that resembles a scrotum; pertaining to an amorphous, fleshy character.

2.) pertaining to the ability to adjust one's position based on temperature.

Other forms--
noun: scrotilaginist
adv: scrotiliaginistically

Waiter: "Would you like to try the poached sea urchin today, Mr. Johnson?"
Mr. Johnson: "No, thank you, it's a little too scrotilaginous for my liking."

scrotilaginous by Mr. Touchy's Puzzle Basement July 7, 2017

Scrotular

having to do with; or pertaining to the Scrotum

My cancer went from being testicular to being scrotular

Scrotular by CaptMO January 14, 2009