It's an exclamation for something seriously gay. It can also be used in response to something someone said to you that makes absolutely no sense.
Friend: Dude, Josh is totally gay and he acts like faggot.
Me: Yeah, that's straight buffalo dick.
4๐ 11๐
A dude who is for sure a homosexual.
(10:30:33 AM) Ryan O: um...no
(10:30:35 AM) Ryan O: you are a homo
(10:30:40 AM) zilla8x8: foshomo!
(10:30:42 AM) zilla8x8: LOL
(10:30:52 AM) zilla8x8: dude, thats a new word
(10:30:59 AM) zilla8x8: if a dude is gay for sure
(10:31:03 AM) zilla8x8: he's called a foshomo
(10:31:04 AM) zilla8x8: LOL
(10:31:14 AM) zilla8x8: DUDE im hella adding that to urban dictionary
Pronounced: FO-SHO-MO
8๐ 8๐
a boy of short stature commonly reffered to as a faggot.
9๐ 12๐