Top Definition
A word commonly used by teenagers while in Instant Messages or chat rooms. Short for "because".
I like cheese b/c it is yellow.
by Anonymous November 01, 2003
The often used term of the Brokeback Mountain cowboys which we have subsequently found out means: Bare/Cowboy Sex. It was popularized in the movie Brokeback Mountian about homosexual cowboys.
I could sure use some B/CS before hitting the hay.
by chris the gay February 06, 2006
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