Top Definition
The act of running into biddies at top speed in attempt to bother them, resulting in either you or the biddy toppling to the ground.
"Ah, see that biddy over yonder?"
"Indeed I do"
"I'm going to go biddy bumping, by forcefully running into her."
"How bothersome you are!"
by rabbitrabbitrabbit February 04, 2010

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