Urinating, clearing your bowels and masturbating in the same trip to the washroom. Also referred to as a piss, shit and a wack!
I was supposed to meet K Lo at the party in an hour, but I needed to make time for a number 4 — so I called her and said I'd meet her in 90 minutes.
Receiving fellatio while you are in the process of clearing your bowels.
Damn Blimmer, your sister is dirty. She gave a number 5 to Lazarus and all his boys!
The act of defecating and ensuring some of the excrement remains on the dry section of the toilet bowl, requiring extreme effort for removal — and ensuring the stench is unbearable. The best results are usually achieved in a crouch or reverse crouch stance.
To get back at Blimmer, I went into K Lo's washroom in the afternoon and unloaded. I made sure to dry dock it too!