A derivative combination of thhe words bong and snorkel, a bonkle is simply a snorkel fitted with a gauze, for the misuse of smoking marijuana as see in films such as; 'Notting Hill' and 'Good Luck Chuck'.
Other names include, snong
. Often leave's the user 'Stone Kippered
Dude, you wanna toke this doob??
Nah man, I'm gonna hit the bongkle!