nimbus

Nimbus: An insult, that may just roll off your tongue. A nimbus can mean a few different things including:
A) Nim(Small or non-existent) Bus(brain)
Which is the most common of the insults definition. Similar to the insult Nin-com-put.

Jerry: "Gosh I hate you!"
Tim: "Talk to the hand you Nimbus!"
Jerry: -Sulks in his stupidity and silence, unable to say anything back-