when you get the usual contents of a sandwich, ie. cheese and ham and shove it in your butt cheeks for your best pal or whoever to eat
hey man, put the bread down and shove that egg mayo in my arse crack, we're making a buttwich up in here!
by buttface the 3rd October 14, 2011
Get the buttwichmug. when your parents make u sandwich with only the butts of the loaf. this is either called a Buttwich or a Butt-Sandwich.
by Middle-school-friends May 6, 2010
Get the Buttwichmug. when someone is spotted itching their ass in public and they are unaware of others looking at them.
seeing someone itch their ass in public
seeing someone itch their ass in public
i just saw some girl itching her ass, what a Buttwich.
yo, i saw a Buttwich, on my way to work. she was really digging in there.
yo, i saw a Buttwich, on my way to work. she was really digging in there.
by billygodd May 24, 2012
Get the Buttwichmug.