lay one out

To drop a deuce, dump a load, or otherwise take a crap.

After finishing all that Mexican, I had to lay one out.

by Amsterdizzle July 27, 2006

squeeze one out

v. to masturbate, or cause ones self to ejaculate

I squeezed one out in the shower last night.

by alkalinesam February 26, 2005

Knocking one out

A northern slang term for masturbation. To play with oneself, or toss oneself off.

"I'd love to come with you, but I'm in the middle of knocking one out"

by RichieLeBon March 22, 2012

rub one out

masturbate. The "one" is an orgasm, i.e. rubbing one's genitals to the point of climax. May also refer to a handjob or fingerbang, or more generally, any manual manipulation of genitals.

I got so excited watching her video that I had to rub one out.

by Scarey December 7, 2009

pump one out

To take a fast shit.

I'll catch up with you guys, I just need to pump one out.

by refugee July 13, 2004

grub one out

The act of eating a meal.

"Hey broseph, let's go to the dining hall and grub one out."

by davidblk July 14, 2007

smoothing one out

To "smooth out" one's erection
To masturbrate as a male
To jack off

So I was in my room smoothing one out when my mom walked in...

by Dr.AlfredKinseyatLarge April 24, 2008