Sex flashes occur to someone who used to be really sexually active then stops cold turkey. If sexual intercourse does not occur soon, sex flashes begin - sudden, uncontrollable urges to have sex with anyone.
Girl 1: I have not had sex in a LONG time!! I'm getting desperate.
Girl 2: What do you mean?
Girl 1: I have had several sex flashes when I see random hot guys!!
Girl 2: What do you mean?
Girl 1: I have had several sex flashes when I see random hot guys!!
by MysticFire June 22, 2011
Get the Sex Flashesmug.