When someone's ass is so flat and shapeless, that it has the boxed, flat, dull appearance of a toaster.
by Naws!!! June 7, 2016
Get the toaster assmug. A condition in which you fart out only fire, a side affect from constantly putting a lighter up to your friend's ass as a joke.
by Nina DeNisco May 17, 2006
Get the toaster assmug. by Feltcher May 7, 2005
Get the Shitty ass toastermug.