Although usually meaning a small piece of excrement attached to the hairs of your arse, sometimes known as a Clingon, it can also mean someone who is a minor, smelly, unpleasant nuisance that is sometimes difficult to get rid of.
Crabs that snap their human like hands in order to make a snapping sound in a "Jazzy" way
Two scientists walking on a beach
Scientist 1: Hey look at those crabs!
Scientist 2: Those aren't crabs those are Flarglesnaps, you can tell by their jazzy snapping.