Knobbers, plural for knobber.
Noun.
Definition:
1. The act of giving head, to suck on the penis
2. The act of multiple repetitive sucking of one or more cocks by one or more individuals
3. Breasts
Example:
1. Dude, I got the best knobbed last night!
2. Man, you should have seen all the knobbers going on at once at that party.
3. Babe, do you like it when I knob on your knobbers?
My neighbor Betty Sue gave me the best knobber of my life.
Betty Sue: "Hey Jimmy for twenty bucks I'll give you a knobber."
Jimmy: "What's a knobber?
(Ziiippp, sluuuuurp, guuuulllllp, sluuuurp....OMFG....splat!)
Jimmy: Here's a fifty keep the change.