An insecure individual who drives an unecassary large truck he never uses because he needs to feel manly and parks it like a cunt.
Most nissan titan drivers are moffatts.

a bunch of transexual brothers with floppy hair who made irritatingly stupid pointless music and had a swarm of air headed girls as fans while they were around.

When a man (not neccessarily but usually a tech teacher) takes a dildo, (usually made of wood) and sticks it up his ass while masterbating. After coming, the man pulls out the dildo, and then, with a left-to-right motion, whipes it on his moustache.

A Kate moffatt (mo-fat) is not a common creature as it is in love with neon colours and baked goods. It usually has three friends and it's natural habitat is anywhere there isn't any light. Commonly fragile and mean, the creature skitters and shout at its victims at random times for indimidation. That's why it only had three friends. A goofy beautiful creature, a Kate moffatt, if tamed, is a worthy friend.

A 5 foot white girl with a big forehead and no eyebrows who always insists she's taller than she is

When one masterbates with a dildo(originally with wooden dildo, but this is not necessary), up his/her (usually male and must have moustache)anus, and then pulls it out and whipes it on his moustache. This is known as a dirty moffatt.

When a man with a moustache gets done up the ass and the shit from the penis gets smeared in his moustache.