Receiving a large assignment from a colleague after 12:00pm on a Friday that ruins your weekend.
Allan was scheduled to meet some chicks at the local speak easy after work but he got crummed by that bitch in the corner office.
by Mike Honcho's Dad July 03, 2013
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An allergic reaction to the oral ingestion of semen can result in crums, low viscosity diarrhea.
"I've got to get my boyfriend to stop cumming in my mouth because every morning I'm filling up the toilet with tons of crums"
by VagFingaz October 29, 2009
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Your Penis.. A quote from Borat film "Please,Touch my crum"
Borat "Touch my crum..Please, I'll touch your's"
by benuk November 08, 2006
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Someone who is such a lowly human being they do not deserve your time of day.
Jim - "Hey mate, can I borrow $5 for another rum and coke?"

Peter - "Fuck off crum"
by Manets January 24, 2009
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Crum is the alcohol mixture of cream soda^ and rum*. One shot of rum mixed with a bottle of cream soda will make the rum almost tasteless. Typically a 1/3 glass of rum and the rest cream soda will make for an enjoyable harder mixture know as a Pro-V mixture. Ice is not necessarily needed but is preferred.

* Clear brands of Rum are typically used (BACARDI®)
^ IBC® cream soda is the preferred brand.
I needed a quick drunkenness, after mixing a Crum on the rocks my problems melted away.
by captian October 10, 2007
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