Feeling fatigued due to excessive marijuana use. Those guys must be bonged out—they reek of pot and have been laying on the couch all day.
See also: bong
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
mod. exhausted from too much marijuana. (Drugs.) I was bonged all through the holidays.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.