Dr Eamonn O'Neill, Lecturer, Department of Computer Science, University of Bath, England
This man is a twat and a cock at the same time, which somehow combines to make him the definition of "Knobbly Penis"
by hohoho January 13, 2004
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1. The first side effect of Genital Herpes

2. Small spots caused by the build up of smegma under the forskin and around the bell

3. Someone unlike and disrespected for some reason or another!
1. Oh dear, sleeping with sally has given me a knobbly penis

2. i had better take a really good shower, hopefully i can wash away my knobbly penis

3. That guys a knobbly penis, he touched my ass!
by Johno January 15, 2004
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