"Asshole-Up"

1. To "Man Up" but with the attitude of an Asshole.

2. To go from nice guy to an Asshole in an instant.

3. To be an Asshole!

the involuntary act of shitting which usually leaves your asshole burning. this is when you have a case of the runs, and you finally make it to the toilet and your gut involuntaryly sucks in and the shit squirts out automaticly. Jus like puking but out the other end. the only difference is that u cant use your finger to induce this kind of throwing up!

To change the manner in treatment of others whereby the new change in attitude and treatment justifies being called an asshole

The act of sitting on the toilet and nothing but diarrhea comes out.