by Jeremy and Mike August 22, 2007

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

you fucking grease pony !!!!
damn larry stop being such a grease pony
mariah stop getting offended like a grease pony
damn larry stop being such a grease pony
mariah stop getting offended like a grease pony
by cringe_embracing_autistic March 29, 2023

That nasty ass wet feeling in the crack of your ass. Some believe it's caused by a dirty sweaty ass crack. Real talk is that you should of wiped your ass a couple more times.
by youdknowifitwasupinya October 4, 2015

Someone with no life. They prefer online interactions with females than talking in person. Can be found playing online multiplayer games, trying extremely hard to make up for the fact that the E Thot they sent $300 to won't date them.
Grease Neck: "Ok dude, so what if Alinity won't let me be her boyfriend and rub ber feet. At least I went 46 and 2 running the M4 and 725 shotgun on piccadilly"
Normal human: "Ok grease neck"
Normal human: "Ok grease neck"
by SweggingBeats December 18, 2019

by Eaton Holgoode January 14, 2019

Example of greasing the wheels:
"Im gonna cook her favorite meal before i ask her to go to the game."
"Im gonna cook her favorite meal before i ask her to go to the game."
by Tophertalks November 17, 2021
