Laying flat on your back, on some type of hard floor (such a a bathroom floor)with your legs straight up in the air, while you masturbate and spunk into your mouth. Usually the tounge is hanging out the entire time. Also known as "shooting a 3 pointer"
Yea, that kid on the basketball team was worshiped, until they found out he loved to "mouthjack"
by Leslie Bopp August 04, 2006