The shit smear left on the back of the toilet seat. Commonly caused by explosive diarrhea or incorrectly positioning your asshole.
"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

A stash before puberty. A peach fuzz stash, if you will. Mostly in men with black facial hair. A grease stash is a stash which looks like you have grease on your upper lip.
"Did you see Seth with that grease stash? Like dude wipe your upper lip off. You look like a pedofile."
by Lousteezy December 14, 2015

top shelf WEED. that shit that blow ya brain back, shit so greasy everybody wanna nug!
synonyms: zaza, loud, gas
antonyms: boof, pk, reggie, tweeds, that bullshit, sticks & stems
synonyms: zaza, loud, gas
antonyms: boof, pk, reggie, tweeds, that bullshit, sticks & stems
by sagebitt January 12, 2025

When a party is so disgusting that when you bump into somone it feels like you just got mauled by a wet sea lion.
by Ggarfink January 23, 2017

by My handle on things is a good August 17, 2016

James: Hey have you tried Cheesecake Factory? I’m wondering if it’s good.
Zach: Yes I went, and It’s alright, it gave me Grease Amnesia though.
Zach: Yes I went, and It’s alright, it gave me Grease Amnesia though.
by Winwesbla May 29, 2023

by KT Brassel June 20, 2023
