knob slob 

a blowjob

Dude, I got a wicked knob slob the other night. The girl was like a vacuum.

knob slob by ravenshadow October 5, 2003

knob slob 

Girl who doesn't swallow or lick cum off a penis when she's done leaving it all messy.

That girl is such a knob slob, she refuses to swallow.

knob slob by Anonymous October 29, 2003

knob slob 

person who gives messy head (knob=head of penis; slob=messy, untidy).

See also knob slobber.

Erotic magazine advertisement, ca. 2004: "You can go from knob slob to blow job champ (by buying this book) . . . "

knob slob by al-in-chgo June 16, 2011

knob-slob 

(verb) The act of performing highly skilled fellatio in such a manner as to provide great joy to the recipient.

His girlfriend knew how to knob-slob like there was no tomorrow.

knob-slob by The Empress II October 25, 2010

corn cob knob slob 

slobbing the knob across the length of the shaft as if eating corn on the cob

"Did you hear that Luke's mom corn cob knob slobbed Matt last night?!"

corn cob knob slob by B218son May 2, 2010

slob knob

giving head

penis in the mouth

slob knob by Reggie June 20, 2003

Bob the Slob Knob 

Performance of fellatio on the male penis.

He had a micro but I was still able to Bob the slob knob.

My co-worker decided to Bob the slob knob on me in the store room.

Bob the Slob Knob by Dick Onchin October 31, 2020