1. A group of exceptionally classy, smart, and beyond beautiful women. Known for their amazing philanthropic endeavors and their dedication to their sorority.

2. The most elite group of college women.

(bid day...)
stacy; so what house did you get?
Tiffany; Oh my god! im going to be a tri delta! this is the most amazing thing ever!
Stacy; im so jealous! those girls are hot!
by Kate Lynn July 18, 2006
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A kiss including three participants, in which a trio stands in a small circle and kisses half of each persons mouth.
Me, Lindsey, and Audrey shared a Tri-Kiss.
by JimStyles September 20, 2009
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a person who is overly obscessed with the sport of triathlon.
Jeff is wearing a heart rate monitor and bike shorts in the pool, what a tri-geek.
by Wendy February 12, 2004
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This is an edit to the original tri-fold.

A tri-fold is the practice of one in the urethra and two tickling the testes.

"Man, C-Mac gave me the tri-fold of a lifetime!"
by MatttttRRRRR October 23, 2006
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a person who's into girls, guys, and seahorses.
Omg what is that guy doing to that seahorse? Is he tri-sexual?
by Talhoino November 2, 2008
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A rare form of tri-flixa, specifically featuring William Fichtner.
Bob: "Whatcha do this weekend man?"

Joe: "Didn't do anything but watch movies man. It was a tri-Fichtner weekend: A Perfect Storm, Heat, and Go."
by Ink Spot Mike April 23, 2007
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The process of three men having themselves within the perimeter of the anus of a fourth member.
Ya know what tri-tip is? Thats when David, Carlo, and Peter all have their dicks in my asshole at the same time!
by Motha Negro December 2, 2006
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