noun

1. A rounded protuberance, especially one arising from a flat surface; a fleshy lump or caruncle.

2. A rounded control switch that can be turned on its axis, designed to be operated by the fingers.

3. A ball-shaped part of a handle, lever, etc., designed to be grabbed by the hand.

verb

1. (of a man) To have sex with.

Synonyms: dick, get up in, schlong