The shit smear left on the back of the toilet seat. Commonly caused by explosive diarrhea or incorrectly positioning your asshole on the back of the toilet.
"At last year's company holiday party I got so drunk I accidentally left a grease shingle."
"I took this girl home from the bar last night, when I woke up she was gone...but the skank left me a grease shingle as a parting gift." #greaseshingle
Donald Trump's hair looks like a grease shingle.
Yo bro, quit being such a grease shingle.
"I took this girl home from the bar last night, when I woke up she was gone...but the skank left me a grease shingle as a parting gift." #greaseshingle
Donald Trump's hair looks like a grease shingle.
Yo bro, quit being such a grease shingle.
by M&TfromtheDeli June 28, 2016
Get the Grease Shinglemug. An oily, malodorous substance found in the folds and cracks of one's butt. Typically found after a hasty wipe and/or following a rigorous workout routine. Similar to butt cheese or duck butter. Could also be a prime ingredient in the making of truffle butter.
Noun: I itched my butt and retrieved a healthy dollop of Rump Grease.
Verb: My girlfriend Rump Greased my driveshaft. I had to take an immediate shower. It itched for a week.
Verb: My girlfriend Rump Greased my driveshaft. I had to take an immediate shower. It itched for a week.
by Doc184 August 8, 2016
Get the rump greasemug.