Top Definition
To try sexual activities with another man for the first time, to see if you like it or not.

Either Making Out, Hand Job, Blow Job, or Sex.

Doesn't make you gay, just adventurous.
I had been thinking about it for a while, and decided to have a ManTrial yesterday. I have to say, I like women more.
by ExpertEntrepreneur August 03, 2011
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