A sudden urge to fap, usually after seeing something insanely hot. Most fap attack sufferers cool their urges with loli. The normal fap-attack-fap yields 1-2 gallons of semen at a time, sometimes up to 3.
/b/tard 1: OMFG I just had a epic fap attack, more lolis plz
/b/tard 2: ur gonna get v& lolz