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1.
A good-looking guy used only for sex
Glex at 2 o'clock..... Only good for fun, not a future!!
by CHRL June 25, 2010
 
2.
the inverse of "flex" meaning, muscle tissue is forced inward making the body appear smaller and less masculine
The weight lifter is glexing in an attempt to fit in with the chess club.
by tinymcgee September 28, 2004