Top definition
the act in which when one ejaculates uncontrolably for an hour and there pubic hair changes colour into multiple colours ranging from ginger,gray blue, green and in some extreme cases burgundy and puse.
cocky adolescent- yes i've goosed many girls.

bloke- but have you ever had a Multibash?

cocky adolescent- ye i had three yesterday, so i shaved my pubes off and made a high vis jacket.
by I pod John January 12, 2011
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