double barrel finger bang 

simultaneously inserting the index and middle finger inside the anal cavity. while simultaneously inserting the thumb in the vagina.

double [barrel finger bang}

double barrel finger bang by the life watchers September 3, 2010

Finger Barrels 

Fingering; surfing slang originating from the term 'barrel' (the tube-like part of a wave).

"What'd you do with Tara last night?"
"Heaps of finger barrels, I was frothing ay."

Finger Barrels by Tilllllllllly August 24, 2012

double barrel fingers 

holding your fingers like gun, middle and index fingers.

holding cigarette with double barrel fingers, smoking.

double barrel fingers by neo words March 28, 2011