1 definition by LBT

1. commonly used to describe an open-minded male's anal virginity. literally, guy + hymen.

2. can also be used to describe a not-straight dude's oral virginity, but only when said dude tries to huff a wang that is hopelessly too big for his mouth.
"Dude, why're you walking so funny?"
"I went horseback riding without a saddle and I think I broke my guymen..."

When he gagged and threw up his lunch all over the Persian rug, he knew that something had gone horribly wrong: his guymen had been ruthlessly taken away from him.
by LBT September 20, 2007
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