Top definition
to produce more semen during an ejaculation than usual due to high levels of arousal or long-term abstinence from masturbation.
Boy/Girl 1: "Oh my god, that was a big cum shot!"
Boy/Girl 2: "I know! I must have hyperspermia or something ;)"
by Jaden07 December 04, 2010
Mug icon

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