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A semi-erect penis. May be semi-erect on the way to full on Chub due to sexual arousal or semi-erect in the refractory period post sexual activity returning to a flaccid state.
Roger was known for getting aroused at the gym watching chicks work out. He was always sporting a Ham Nub.

After a round of deep penetrating anal sex with his girlfriend Carla, Frank rolled off of her and laid in bed sporting a Ham Nub until he fell asleep.
by Eaton Holgoode September 30, 2015
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