nob

Short definition from Wiktionary

Noun

1. 1
   The head.
2. 2
   A jack of the same suit as the card turned up by the dealer.
3. 3
   The glans penis, the sensitive bulbous structure at the end of the penis also known as the head of the penis. (Also spelled knob.)
4. 4
   (vulgar, slang, chiefly UK, Ireland) The penis; dick. (Also spelled knob.)
5. 5
   A contemptible person; dick. (Also spelled knob.)
6. 6
   A wealthy or influential person; a toff.
7. 7
   Obsolete form of knob (“rounded protuberance”).

Verb

1. 1
   To hit in the head.

Proper noun

1. 1
   A place, north of Jerusalem, whose inhabitants were massacred by Saul.