fire one off 

To fire one off is to take a crap.

I hadn't crapped for a month, until I couldn't hold it in any longer and I then just fired one off.

fire one off by OliverS May 7, 2005

Squeeze one off

Male masturbation, generally when not at home.

"Lastnight at my mother in laws house, the meatloaf was so good I had to go to the restroom and squeeze one off"

Squeeze one off by ChuckU.Farley March 25, 2009

Squirt one off 

Squirting off a load, the completion point of masturbation

After watching a porno , Jon ducked into the bathroom to squirt one off.

Squirt one off by montyl January 21, 2010

thug one off 

slang for masturbating

"Dude, I just saw the finest girl. Def need to go thug one off."

thug one off by KaityB May 3, 2006

Break one off

When a man ejaculates

"Man I would love to break one off in that chick!"

"If anyone needs me I will be in the bathroom breaking one off."

Break one off by Dekman August 26, 2006

knock one off 

To have sex or at least reach orgasm in a restricted amount of time.

When I wake up in the morning the gf and me knock one off before I go to work.

knock one off by gerf June 4, 2004

Crank one off

Masterbate.

I'm so horny! I'm going to "crank one off"later.

Crank one off by Dirty dancer October 14, 2017