Gormster
A low level insult for the mildly retarded.
You stupid gormster! You're not supposed to feed the dog soap!
Gormster
Someone who is Gormless but you want to use a differant, more interesting term. (eg. Putting 'ster' on the end) The advantage to using this insult is that no one will no one what it means! (Not a Guarantee)
Matt: Hey Jack, you smell funny!
Jack: You're a complete gormster Matt.
Matt: What?
Jack: You're a complete gormster Matt.
Matt: What?