Slippery Jim 

A nickname for an untrustworthy or suspicious character, someone to be wary and cautious of.

Slippery Jim from across the street has been snooping around my car at night, I have my eyes on him!

Slippery Jim by Xcat83 January 26, 2019

Slippery jimmy 

When doing a shit that just slides out.

Ahh mate I’m bout to do a slippery jimmy. (Best said in an Irish accent)

Slippery jimmy by King Doctor June 26, 2023

slippery jimmy 

When within a mode of transport fitted with a toilet, and are unfortunate enough to slip/trip over while urinating causing a self inflicted golden shower.

Oh fuck, I tell you what lads, when that bus driver entered that roundabout I almost had a Slippery Jimmy.

slippery jimmy by Destracta December 1, 2017