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1 definition by DoctorShangooly

 
1.
A sexual act where, when having sex doggy-style, the man suddenly inserts his thumb into the woman's asshole and yells, "Vroom vroom!" as she tries to pull away.
I gave my girlfriend a thumb drive last night, so she punched me in the nuts and dumped me.
by DoctorShangooly November 05, 2009