Top Definition
when a female whom you do not like or find attractive is riding you and you lose your boner. so the takes a cucumber or her fist and starts beating you to death
duder 1: bro, i fucked the ugliest chick in the world last night, she was so ugly that she dirty speared me.

duder 2: but i though that was technically impossible when having your penis stimulated.

duder 1: also the inside of her vagina made me think about Burt Reynolds

duder 2: holy fuck.

lurkin duder 3: the thought of receiving a dirty spears turns me on
by gabeisintheoffice January 21, 2009

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