Aut is a shortcut from autism and is usually used to call someone stupid, can also be used as an adjective as well as a subjective, screaming aut together also shows a sign of great friendship
You are an aut
Keith is such a bitch
A snow boulder. "Boulsnowder" is an alternative portmanteau to "snowlder" which, while a reasonable combination of the terms "snow" and "boulder," lacks the plucky, counterintuitive mouthfeel of "boulsnowder."