Top Definition
the genitalia of the male which is much smaller than average, possibly even inverted.

also can be used to describe a person who might not be wearing 'normal' clothing - preferably with a long ginger beard and matching hair.
1. He had such a small penis, it was a complete sweet nub.

2. he was a full blown sweet nub, did u see his long leather jacket and platform boots.
by boolke August 06, 2009
5 Words related to sweet nub

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