While engaging in anal intercourse and are about to ejaculate, you pull out a gun and shoot the bitch in the head, having both the satisfaction of killing a ho and ejaculating at the same, producing a unique feeling of satisfaction.
I really hated Anna, but after I Magnum punched her last night I feel soooo much better now the she's gone...
by Mwahahaha00110101 February 20, 2009

An extremely large poop, or needing to go to the bathroom with the feeling of making extremely large poop.
by MegaYote December 10, 2016

When you bite a person but don't use teeth. Its sort of like a pre-pash kiss. U can see it on the Australian Magnum ice-cream ads - it's a good dare.
by nasty_girl08 December 9, 2004

Based on a Craigs' List post. When a guy puts a magnum condom over a banana, does himself in the ass and then deepthroats the banana because he was "feeling slutty".
"Man, I was feeling frisky last night so I decided to magnum banana myself. I splooged all over my roommates new carpet."
by Boshanks April 7, 2007

by 321blastoff March 20, 2010

Somebody’s best attempt at dealing with being upset with unfortunate circumstances. An expanded use of the word “Cope”
Daniel: She Hulk wasn’t so bad, the poor writing was super meta!
Shannon: This might be your Magnum Copus
Shannon: This might be your Magnum Copus
by TheColorOfBlood November 9, 2022

A chode, but the size of either a .357 magnum, a .44 magnum or a .500 magnum round. Unlike a magnum dong a magnum chode is an extra small penis, while the magnum dong is an extra large one.
by UNSCgrunt226 August 12, 2017
