Whilst in the midst of a sexual act (blow job, sex, handjob, anal etc) you aim your load as you are about to come into a the girl's eyes and firing off into them temporarily blinding her. Whilst she is blinded you
cup your hands and
slap either side of her ears to give her the ear 'pop' thus deafening her and blinding her for a short period of time as would a
normal flashbang