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

by Dirty -J- October 3, 2016

When a single action causes multiple reactions, affecting more than one person/group/organization for the same reason - splattering like grease and landing on several individuals.
by Brando's Magnum Dong September 24, 2021

by lynnknight May 10, 2023

When you're shooting a handgun, you want to hold firmly enough that you hold on to the gun but not so that you're doing a Darth Vader death grip: "Greased Egg Grip". Hold it firmly enough it doesn't fly out of your hand but not so tight as to crack the egg and get it all over your shoes.
Man.. I can shoot my Beretta comfortably all day long with this Greased Egg grip without my Arthritis kicking in.. whoever thought of it was a genius!
by SRG720 January 27, 2012

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

by Nipple_Grease April 13, 2017
