When a male participant engages in three separate orgasms, each one specifically stimulated by oral, vaginal, AND anal sex within the 60 hour period between Fridayevening and Monday morning.
tri-hole: when any person with a penis gets his head peirced, when that person takes his jewelrly (usually an inch long metal bar) out to urinate, the piss comes out all 3 holes. Not to be confused with a tri-dick.
dude I was taking a piss yesterday after I fucked your sister and I totally had a tri-hole!