An sexual act in which a woman puts on an unusual amount of gel or roll-on deodorant underneath her arm and the male proceeds to place his member inside the armpit for sexual stimulation. Can be performed from in front or in back, personal preference. The PH is because its strong enough for a man, but balanced for the woman.
Amanda just showered and didn't have time for a blowjob
, so instead she gave Clark a Phresh Secret to shut him up.