Bong Sliding 

The act of smoking weed out of a bong slide because there are no other available devices to be smoked out of.

This practice is only followed by those too cheap to buy rolling papers or buy a $5 pipe from the corner smoke shop

James: "Dude do we have a pipe or papers?"
Milty: "Nope"
James: "Well then looks like we're bong sliding tonight"

Bong Sliding by Cheddars56 September 15, 2012

Bong Sliding 

To smoke marijuana out of a bong slide due to the lack of other available smoking apparati

James: "Dude let's get stoned. Give me the bong or some papers."

Cole: "Bong's broken and no papers to be found, bro."

James: "Looks like we're going bong sliding tonight"

Bong Sliding by The Big Cheese July 8, 2012