The last uneaten donut left in a dozen that no one wants to eat. Potentially has the flavouring as if one had inserted a finger through the hole and then into a bum.
Can you believe they made Tim work over lunch? Yeah, he was so hungry he had to eat the bum donut in the coffee room.
by T-Dog Duane December 31, 2013
The sixties, so initially from the drug culture, being on a 'kick' but a bad one, so 'bum kick'. Expanded to mean being effected by any bad experience.
by larryinla June 02, 2012
by Anonymous tripfag August 27, 2018
Buzz bum ex.1 That person who always seems to be around when someones got a joint or some beers (any drug). Then proceeds to get high or drunk on someone elses supply.
by Fflagg99 October 16, 2018
When someone doesn't know it's actually called lip balm, they call it lip bum. Don't ask me why they do it, they just do.
by cheesefanatic July 03, 2017
When you fart while sitting down but instead of going out of your butt cheeks it goes back into your ass.
by Loothoarder53 February 23, 2017
Bryce didn't like that the car dealership used the empty lot that he slept in so he bum tagged all the new cars.
by Crazy Al in MT August 04, 2017