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 9, 2016

Speedbumping is the sexual act of the penis holder lying on top of the recipient and fucking them with their ass posing as a speed bump
by Galasika March 8, 2024

A slang term in Newfoundland for moose. If you hit one with your car, your car will stop in its tracks, and probably kill you. The moose, however, will be fine.
Me buddy Stanley was havin' a time drivin' from St. Johns to Dildo, till he hit the Newfoundland speed bump and battered to Jaysus
by Dragonsandman July 16, 2021

by bb101214 July 23, 2010

Speed bumps are suppose to make you go faster and make you fly high to the sky. The essential use would be to go faster on these especially on school zones.
by YourstrulyARL January 23, 2022

by lyder3ybc November 7, 2021
