an abnormally small penis.
dude have you seen jeremy's zumonka? it's the smallest thing i've ever seen. it's just so whittle.
by Jeremy March 29, 2005
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Where one is giving a RimJoband is shat on by the other person, usually resulting in feces on the tounge.
Man, last night your mom gave me a zumonka, and I almost threw up.

Some bird named stephanie is almost as sick as a zumonka.
by Jeremy March 25, 2005
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