Mosterting
The gut wrenching process of keeping a diarrhea shart confined to ones asshole. Usually accompanies speeding to the nearest exit ramp, trailer home or porta-jon.
Dude, I was mosterting so bad yesterday I got 2 redlight tickets on the way home!
Zander Mostert
A South African phrase used by people who use mustard as lubrication during anal sex, then after ejaculation , using the mustard and cum as sauce on a hotdog.
Awe brase, me and my boyfriend did a Zander Mostert last night, it got a bit messy!