Fungal infection of ones penis.
Pete was nullified because he got the Knobrot.
1.The stuff you get when you don't wash your dick...usually characterised by some bad fish stank and cheese/gangrene discolouration...
2.yeh, you can called people it too
1.as in "you are a knobrot" rather than "you are knobrot"
2.Get that funky ass knobrot out of my onion soup you damn fucktard...