Definitions by Satan Spacemonkey

Octopus slap 

Getting hit in the face with your mountain bike after a spectacular crash.

Dylan had an octopus slap after a gnarly crash.

Octopus slap by Satan Spacemonkey July 5, 2023

mustass 

The brown stain above the upper lip left over from feltching.

"That shit stain on your upper lip looks like a mustache" or conversely, "that mustache looks like a 'mustass'".

mustass by Satan Spacemonkey September 3, 2007