After you have the munchies, you eat the bong.
When you get the munchies, you have to start thinking like Shaggy and Scooby Doo.
"And you thought Ashley Simpson had a lot of plastic surgery..."
CollegeHumor can give you the munchies.
"..and you thought you were unprepared for the hurricanes."
Weed and burritos are basically the same thing, except instead of the munchies you get the runs.