Top Definition
(verb). To publicize and/or recruit others who are members of a defined or cohesive group to engage in an competing activity separate and apart from a previously scheduled and publicized activity in a way that forces members of the group to choose amongst the competing activities and generates animosity amongst the members on both sides.
I can't believe Kevin would blaum Lynn's birthday by organizing a karaoke party for the same night - what a douche!
by Politically incorrectable March 17, 2010
5 Words related to blaum
The moment when you see a female worth looking at, but is immediately drawn down by a parent being right next to her.
"Dude check out that blaum over there!" I know man too bad she's with her mom."
by fmatch06 August 19, 2011

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