(Noun) someone who does annoying things to people with his penis quite often.
"Will's such a peniser. He came all over mike's pants."
by Josh August 27, 2004
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Often used when defeating another player in video games. Made popular by players in halo 3 who would often change their symbol to a grenade and a banner. This when changed to one color (commonly red- got raped so hard there was blood) look a lot like a penis.
Winner: Haha look at that looser, I penised him soo bad.

Looser: WTF are you talking about?
by SeeDemTails September 19, 2009
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1. (verb) To grab a male's crotch, usually in an attempt to grab the penis. Can be done for any reason but is usually done out of perversion or immaturity.

2. (verb) To act in a flaming gay manner.
1. Don't you ever penisize me again, that's just gross.

2. Quit penisizing, man, that's not cool.
by PvtChurch May 9, 2005
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When an individual has had someone elses penis rubbed over them, usually unwillingy. Most commonly rubbed on the head
'Hahaha, did you see ashley just got penised by elliot?!' - After Elliot rubbed his penis over ashley's head.
by Miss A. Crew September 26, 2008
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a sucker for girls cums in diffrent flavers
by .... September 25, 2003
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Posh for knob.

The above is an obscure reference to Harry Enfield or something.
"Penise?" "It's posh for knob."
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