Verb: The act of giving or receiving a blow-Job. Can be prefaced with the word, "Mad" As when giving or receiving really good blow-jobs.
~ Usually only used when special, unexpected, or when you gave or received to/from this particular partner for the first time. This differs from knobs in that knobs are a fairly regular thing. Like when you get knobs from your girlfriend every morning before work. Getting knobbers is special.
1. Your mother totally gave me knobbers last night... Whoa!
2. Oh, that girl gave me mad knobbers.