Top Definition
While engaging in sexual activity with a partner,
call numerous males over to include in the sexual act.
Causing an overwhelming amount of male genetalia in one
location. The copious amount of male genetalia compared to female genetalia would result in an "onslaught" type of situation.
"Last night Jonny surprised me by inviting his friends over. I was definately satisfied with the beef onslaught i recieved."
by Stephen Travers September 15, 2006

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