1 definition by Wilco Jancala

Top Definition
1. a penis so small that it doesn't have the length required to generate hangage, giving the appearance that it is in a state of constant erectness.

2. Unit of measure based on the penis size of Wilco Jancala. One A.S.P is equal to one billionth of an inch.
1) I have to wear special pants so that no one realizes that I'm sporting an a.s.p (always stiff penis).

2) No dude, my dick is at LEAST two asp lengths.
by Wilco Jancala November 09, 2009

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