1 definition by Mr. Jones21

Top Definition
When multiple dicks are being penatrated in a single womans vagina.
Bro! We had a muster cluster with Kate last night!
by Mr. Jones21 January 22, 2011

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug