1 definition by chanchan88

Male counterpart to the female cougar. An older man having a midlife crisis and likes to prey on younger women.Likes to hang out at all the same spots that college kids do.Easily identified by a look of success, a flashy car, and wealth. Named for predatory nature and small brain size of an actual t-rex.
Young girl1: "Oh look over there at that old guy sitting alone at the bar."

Young girl2: "He's alone and wearing a designer suit, he must be a t-rex. I'm going over to say hi."
by chanchan88 February 7, 2009
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