A fart under a blanket (see dutch burner).

1. (Australian slang) The act of having a whole group of friends (or fellow potheads) bundle up into a car (preferably a full passenger load) and all smoking marijuana, preferably with the windows wound up, as to have the car's interior thick with both a bong haze and steam from the bods sitting in the said vehicle! And having no fresh air coming in, one can get get stoned both on the toke and the haze. Great in a panel van too!

To build up a rancid stock of fart gas under the covers then shove your significant others head under the covers so they can soak up the rays! Bong!

when you are laying in bed under the covers and you fart.

Beneath the bedclothes after someone has played ‘Reveille' on the botty bugle.

1. A large clay pot with lid, which is meant to be placed in a fire or convection oven during use.
2. when you drop ass while in bed with a girl, then jump out and hold the covers over her head,no matter how much she struggles,until all movement ceases.

When you fart underneath the blankets, and then pull the covers over your head so you can smell your own gas is all of it's glory.