Its a wet and silent fart that comes out when you try to fart without making a sound.
Lily was in a important meeting when she pulled a silent pooper which made people fled the room.
by Crisaliz September 27, 2007
Top Definition
The weirdo in the bathroom stall next to you that neither moves nor peeps a sound throughout the course of your entire doodie session.
Guy 1: I just dropped a deuce, and sat next to the silent pooper again.

Guy 2: Yea man, I think I sat next to the same person yesterday! I was literally s(h)itting there for a good 10 minutes while perusing my phone, and he didn't make one damn sound.

Guy 1: You know what, I bet he is wanking in there and we interrupt; that's why he doesn't move.
by ZmanIsTheMan3 May 10, 2016
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