"Grease Ball" or more commonly used now "Nadsludge" is a slimy substance that occurs on male genitalia after performing either anal or vaginal intercourse on a female. The Ball "grease" worsens as male hygiene declines.
by Fortnite assslayer November 24, 2017

by Wsjr6023 April 27, 2017

by Bastispark July 17, 2022

by Johnny Weasel February 26, 2015

The quite welcoming viscous, yet milky-colored and slightly-frothed discharge of a horny girl with a yeast infection
I knew it was on for tonight ~ 10 minutes into dinner and I could smell the gash grease burning from across the table.
by wyldesites July 15, 2014

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 ON JUB August 23, 2019
