to have three penises inserted in you at the same time
I was triboned by three black men in jail cell while a midget pissed on my face and a horse shitted on me.
by Tommie kemper January 20, 2006
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when a girl makes a man orgasm 3 times in a row in succession using handjob, blowjob, then sex, this is a triboner.
bill recieved a triboner from jane, it made him very tired.
by wookie606 July 2, 2009
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