The small mechanical repair robots on Red Dwarf
The Scutters give Rimmer the V-Sign alot
The random, impulsive acts and movements of a person who is so high on methamphetamine that they no longer care about anyone or anything happening around them.
Look at that dude, he's so high he doesn't realize he's scuttering right in front of those cops!
Common folk who like to shout their conversations to each other in public with prolific swear words included.
Hark at those Yawpy scutters next door.