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When a woman has had too many children and her vagina is loose. You shove a potato in her ass for th extra friction during sex.
Katy's pussy is blown out from having her 9th kid. Now I have to give her an Irish speed bump whenever we have sex.
by aBIOgene515 August 09, 2016
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2
A sexual act involving a redheaded woman, a thick bearded man, and 2 drunken midgets dressed as leprecauns which are used as fluid and general matter receptacles while the redhead and the thick bearded man engage in violent sexual acts. The midgets are then thrown from the windows in the room onto the street or a nearby freeway.
Person 1: Susan and I went down to the pup and got us some guys to use in an irish speed bump!

Person 2: What the actual fuck jerry, that's disgusting. Why are you telling me this?
by Robothawk August 09, 2016
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