false alarm boner, or FAB, is when someone says or acts seductively, then quickly ends it or sends bad signals
Person 1: Read this status: This sex, is sex, how sex, you sex, keep sex, a sex, dumb sex, ass sex, busy sex, for sex, 20 seconds. Read this again but don't say sex. ;)
Person 2: aw man i seriously had a false alarm boner going for a second
Woman 1: would you like to give my pussy a bath?
Guy 1: oh man, i would love to!
Woman 1: ok good, my cat is very dirty
Guy 1: oh man what a hard false alarm boner