rub one out

masturbate. literally, rub until you orgasm

also known as "rub it out"

What Mark Miller does copious times daily.

bashing one out

Male masturbation, Having a wank, Stimulation of the penis to rach a climax.

Got excited today and then went home for a wank. I was there bashing one out when the misses walked in.

bust one out

Originated in the Seattle area, the term means to smoke a cigarette.

Let's get out of here, I want to bust one out.

Thrash one out

To pull ones cock off, or to masturbate

Right Babe, I'm off to thrash one out (when girlfriend doesnt want sex)

rolling one out

When someone roles their dick on the ground.

Sorry I missed your call I was rolling one out.

Squeeze one out

To go and shit.

I a be right back. I got a go and squeeze one out.

punch one out

To go to the bathroom (number 2)
To take a crap.

I'm gonna go punch one out in the sh*tter.