Skidmarks 

Skidmarks are brown streaks left on the porcelain bowl of a toilet when someone takes a big firm dump that rubs the porcelain bowl swirling around until it orients itself for exit down the pipes.

Who left the skidmarks in the shitter!?!

Skidmarks by JackMeough November 19, 2012

skidmarks 

encrusted or soft fecal forget-me-nots that are transferred from your anal paintbrush to your underware canvas.

his underware were so bad they had to call the highway patrol to come measure the skidmarks from the accident.

skidmarks by your mom September 3, 2003

skidmarks 

When soft, still plyable anal dischanrges rub so close to the offenders' undergarments that a fecal stain is left behind. May also occur when the issue is "forced." I.E. Butt picking, massaging of anal irritations, or sloppy wiping techniques. See also "streaks."

Dammit Donnie, the line for the port-o-let was so long I had to rush my post crap rectal cleansing techniques. Now I have smelly 7-1/4 inch skidmarks as a result!

skidmarks by Jim Stevens January 11, 2004

skidmarks 

Brown racing stripes in tighty whitey underwear

Will Tide get out skidmarks?

skidmarks by Mike Easter March 15, 2003

Skidmarks 

The poopie stains in your underpants after not being able to reach the toilet in time

"Yo bro, yesterday in class i got skidmarks cause the teacher wouldn't let me go to the toilet until i was busting!"

Skidmarks by Half As Funny December 9, 2022

skidmarks 

When fecal material protrudes from your rectum and your clothing picks up debris. The term skidmark comes from the resemblance to tire marks on the ground.

Damn B! It smells like shit in here, dawg! I think sumbody just shit theyself or at least lef skidmarks all over they drawls.

skidmarks by Pengy July 25, 2003

skidmarks 

Skidmarks are usually brown, black and sometimes green, found in many exotic areas such as boxers, briefs, and panties.

You dont have skidmarks, you have the whole runway.

skidmarks by Phatass September 2, 2003