One who gives oral sex to a man so well that it makes him limp away when they are done.
She came right into the livingroom, dropped to her knees and started sucking! When she was done staring into my eyes as she licked the last drop she asked when could she do it again for me!

She is a real Knob Hobbler!
by TeeJayWasteland April 9, 2009
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A male who takes great pleasure in sucking penises - he particularly enjoys rolling them around in his mouth.
"Did you hear about IssyB from Cape Town? He is such a Knob Hobbler he was recruited to do a male porno!"
by Kingflum December 7, 2010
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