Gossamerfawn

Someone that is completely random and is obviously not a resident of the planet earth.

<GossamerFawn> KM0201, why is your arm missing
<KM0201> my arm isn't missing
<GossamerFawn> KM0201, did you?

Man, she's such a gossamerfawn.

Gossamer

When you spew something completely random, non-sequitor, or out of context in the middle of a conversation.

see also: gossamerfawn

Mary: Anyway, that's why I had to go to the doctor.
Bob: But why DO goats need to eat?
Mary: ...what?
Bob: Sorry.... That was a gossamer.