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when one who is partial to sleepwalking, whilst horny, accidentally bums another in their sleep. (male/female/sheep/ect) sleep bumming.
a prime example of sleep bumming would be a person suffering from sever sleepwalking, who had fallen asleep next to their best friend after consuming 3 viagra (for fun) this person would then proceede to "sleep bum"
by ineedtogetagrip December 29, 2009
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Apr 21 Word of the Day
I've been jabbed
by Francesco II March 20, 2021
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