To wreak havoc on a toilet (preferably someone else’s) by taking a monster shit, often of the explosive diarrhea variety, with extreme force. Past tense: Blew up the Can.
Jay: “Every time I go over to Ethan’s house, I blow up the can after dinner. I don’t think his parents are ever gonna let me come back again.”

Larry: “Susan let me stay over last night and this morning I totally blew up the can. Now she won’t return my calls.”
by Mr Mucho Macho October 25, 2020
Get the Blow Up the Can mug.