a crude slag term for bobbing on the knob. ie a blowjob or blow/hand job done while wearing a kilt. you must complete the blowjob with a cum shot to the FACE! (extra points for eye shots)
oh the other day i was wearing me kilt and i got the best "hob schlob on a bob knob"... i gave her the biggest facial i think has ever cum outa me knob!!! even got her with a good one to the eye, for good measure of course.