Often used in phrases to descibe a intoxicated state, resulting from the consumption drugs and alcohol.
Josephine: mann i feel like going out tonight , possibly getting bonged off my dads fringe?
Lauren: Yeah man lets get totally bonged !
Georgia: Im thinking of taking some drugs so i will completely loose my dads fringe !
Alyssa: I might even get bonged off my mums fringe
Fran: Yeah my dads fringe is going to end up on my filtrum , gunna be so bonged !