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A derogatory term used for Captree, NY due to the popularity of the area for homesexuals. Especualy in the summer time, they tend to gather at Fire Island and Robert Moses State Park‎.
Guy 1: Hey you wanna go the the beach over at Robert Moses?

Guy 2: Hell no, I'm not going to Fagtree! Lets go to Jones Beach instead.
by Lost Islander November 11, 2009
Guys everywhere in one place/or room with no girls in sight.
see sausage fest
zomg, that party was a fagtree!
by some random fag May 06, 2006