fire manning 

During sexual intercourse the male sets his partners pubes on fire, then attempts to extinguish the flames with his sperm

Sam was fire manning Sophie last night

fire manning by Cheeky sod May 4, 2014

firemanging

inhaling a blunt or joint roach.

when you are smoking the cheeba and its near the end it is called a roach, sometimes it slips through your fingers and you inhale it, this is called firemanging the blunt or joint.

firemanging by fuckinpornstar September 22, 2008