A trifey is a girl that is ideal for a one night stand or hook-up. As apposed to wifey who is an ideal girlfriend or wife.
"That girl I slept with last night was a trifey, but that girl I was flirting with was a total wifey"
by Man Huluvswyfys April 25, 2009
by Emmmms August 26, 2007
Guy: "My brothers Trifey is pregnant again."
Friend: "Really?"
Guy: "Yeah....."
Friend: "Is it his?"
Guy: "Who knows? You know his wifey is trifilin."
Friend: "Really?"
Guy: "Yeah....."
Friend: "Is it his?"
Guy: "Who knows? You know his wifey is trifilin."
by Nsolo1717 September 27, 2010
by MC32 February 16, 2013