sinister sam

A mean looking but really harmless cowboy on Sesame Street, just like Bad Bart.

Catchphrase: "Alright, listen, you varmints. I was just over at the general store and I understand that some hombre bought the last box of crayons. But I wanna know Y".

Uh oh, everybody look here. Here comes the meanest hombre in the west, Sinister Sam.

by tyrulz August 1, 2014

Sinister

1. One who is evil and acts like a bastard at most chances
2. See Gyor

The evil priest was a Sinister Minister.

by BlackAttack(TheAfricanAssault) June 3, 2003

Old Sinister Turmoil

A shitty game that stole assets and models that can be made in 10 seconds.

The Old Sinister Turmoil is absolute shit, and if you like it, you have problems.

by ThatOnePandaGamer July 12, 2018

DJ Sinister

A white and purple pumpkin. Good roblox modeler that loves FNaF and Homestuck.
He now owns The Frank Fanbase

Man 1: "DJ Sinister is epic"
Man 2: "yes."

by BiteIsMe October 22, 2020

sinister urge

The need to defecate. Title of an Ed Wood film.

I can't go on: I've got the Sinister Urge.

by taffeny November 13, 2011

sinister

a man who is kind of all people who possess the unique talent to cupcake a fart noise in ones hand

"hey hey its, saturday"

by spart March 23, 2003

Sinistrous

Sinistrous (archaic) for Sinister. Also can be used as an adverb, possesses a comparative meaning between the two. Also, see Sinistral

Person A: I've heard that Vlad Tepes, the 3rd, was a sinistrous bloodshed, whom had a ritual to impale all his enemies, and make a deadshow off of it.

Person B: Yes, that's a known fact. He was named Dracula for a reason!

by moozymathers January 11, 2019