onomatapenis

the sounds a man makes while masterbating.

dude, i heard your onomatapenis from all the way downstairs last night.

onomatapenis by itcabraun June 13, 2010

Onomatopenis 

1. The word used to describe the sounds that a penis makes.
2. Word invented by the mysterious Robespierre during the first GD movie night.
3. The title of a CD that will be released in the future.
4. User name of the only certified cool-point distributor on Gaiaonline.com

1. I'm writing a sexy story. What's an onomatopenis that I can use?
2. "No, call your CD Onomatopenis."
3."Okay, fine. If I ever release a CD, I'm going to call it Onomatopenis."
4. "Onomatopenis, everyone only loves you because of your username, but that's okay, because it's amazing."

Onomatopenis by Onomanomona August 18, 2009

onamatopenis 

Sounds the male reproductive organ makes when ejaculation occurs.

Man, he sounds really weird when he makes his onamatopenis's!

onamatopenis by rk321 June 13, 2009