Billsky 

When taking off an extra day off of work prior or after a weekend or holiday

Hey bro gonna have to take a billsky on Monday. Got an eye dr appointment

Billsky by Eltioiroh February 7, 2025

Billsy-Backflip 

'A spectacular assisted back flip usually seen at major events such as Weddings, Christenings and Bar Mitzvahs'

'A back flip performed by someone who clearly can't back flip'

'A back flip reminiscent of how fictional detective Hercule Poirot might perform the stunt'

On the dance floor after the wedding Dave is gradually rotated head over feet thus completing the Billsy-Backflip!

Billsy-Backflip by Fete July 8, 2010

billski 

Another name for a bong. Device used for smoking marijuana.
Adapting from the slang billy also used for bong.

"Dude remember to bring your billski"

"pass me the billski so i can pack a cone"

billski by LEM - Chino April 30, 2006

Billsy 

A freakishly tall person, that was eradiated by a radioactive spider. Perhaps the two are related.

Oh no!! Billsy just ate cheese and now I have to kill him!!

Billsy by Bob December 1, 2003

Billsy 

An improbable play in an NFL game that leads to an unexpected loss by one of the teams.

The Buffalo Bills losing a game they were leading with only 13 seconds left in a game, and kicking off the ball, was the epitome of a Billsy loss.

Billsy by NFLSlangGuru November 27, 2023

Billsy 

Billsy (adj,v,n)-When you’re trying to win a close game despite the other team, the referees, bad luck and shooting yourself in the foot

We had a two score lead; yet here we are tied with under two minutes left in the fourth quarter. Yet another “Billsy” game

Billsy by KMP87 December 10, 2023