twat stain 

An insult used to describe someone who has just done something particularly stupid. It comes from the markings left behind in a womans underwear following some desrciption of vaginal discharge.

Jim: Oh dear, I have appeared to drop my pen.

Bob: God Jim, you're such a twat stain.

twat stain by Chris Wynne June 24, 2005

skid stain 

a stain left in someones tighty whiteys after they shit themselves

These here undy pants we found in the locker room have a MAD ASS skid stain on em

skid stain by Magic January 22, 2005

white stain 

A stain left by semen on bed sheets, sofas, carpet, etc.

Nick had sex with Kelsey last night and left a noticeable white stain on the living room carpet.

white stain by Nigz December 31, 2005

poo stain 

The residual shit stain that cannot be removed from one's underpants.

After several washes Dave's long poo stain remained apparent on his titey whiteys.

poo stain by Jeff February 12, 2004

wank stain 

A person who is a complete and uter twat!!

"Fuck u bill, your such a fucking wank stain!"

wank stain by clarky-05 April 9, 2005

Shit Stain 

1)A Brownish/Blackish and or Redish mark that is found in a towlet or human being's under shorts or panties. Found around the area of the anus.
2)A person that is a total fuck up and totally useless.
Like definitions may be found with Dumdass, Skidmark, Shit For Brains, Stupidass, Jerkoff, Spinout or Speed Racer.

I was taking a leak in Tommy's badroom, then I saw his Dad's boxers on the floor. There was bloody "shit stain" in them. It looked like he wiped up the floor with them after a blod bath.

Tommy and his Dad are both fucking "shit stains".

Shit Stain by JLOH December 16, 2004

Drunken Stain 

A person who is drunk but also annoying.

Gosh, Jacqui and Matt were drunken stains all night!

Drunken Stain by International House August 23, 2008