The act of being highly intoxicated and proceeding to snort a combination of roast beef and cocaine off of a strippers vagina, even though your a vegetarian.

"oh man, did you see Melissa last night? She was pulling a Wassum."
He never remembers pulling the Wassum the next morning
by Scottie Nash December 28, 2011
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An expression used to describe either extreme excitment or extreme frustration taken form "wassum woi woi" a anichent victory war cry used by the people of the bumbagoatgods.
Also used to channel unexpected outburst of energy for no apparent reasons.
bruv man won da lottrey!
WASSUM!!!!!!WASSUM!!!!!
bobby was just sitting watchin the bumbagoats play when he suddenly felt very energetic "WASSUM WASSUM" he cried and bobbys peace was restored
by DaNnY SveN August 8, 2006
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An expression used to describe either extreme excitment or extreme frustration taken form "wassum woi woi" a anichent victory war cry used by the people of the bumbagoatgods.
Also used to channel unexpected outburst of energy for no apparent reasons.
bruv man won da lottrey!
WASSUM!!!!!!WASSUM!!!!!
bobby was just sitting watchin the bumbagoats play when he suddenly felt very energetic "WASSUM WASSUM" he cried and bobbys peace was restored
by DaNnY SveN August 8, 2006
Get the wassum mug.