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Mayonnaise that has expired or is in distaste to one.

Slang for semen.
"Excuse me sir, this Mayonnaise appears to have gone Brokeback."

Wipe off your Brokeback Mayonnaise before I throw up.
by DrJohn May 17, 2006
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2
1. One who regularly consumes brokeback mayonnaise
2. See also Dirty Eskimo and Gay -Ka-Bob
That NikG is such a Dirty Eskimo, and he sure loves that brokeback mayonnaise all over his face!
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