A jackhob is somebody who gives and takes of semen orally. It is a concatenation and contraction of 'jack' for masturbate and 'hobnob' for the sharing of drinks together.
"You are a bunch of cum guzzling jackhobs."
by Boris Blank December 28, 2007
1 more definition
"Urban" for a rancid, festering cunt.
Holy shit man, I was ready to stick it in until she dropped trou and I saw the jackhob she was packin, fuck that noise.
by TruGanGSTA1776 December 26, 2007