Cock Jackers 

Another terminology for hands ( most likely women's hands ) or anything you can jack on a cock.

Don't touch me with your cock jackers

Cock Jackers by Anoble0130 February 21, 2011

Cock jacker 

One (male) who in conversation with a fellow, workmate etc is inclined to grab the other guy's crotch suddenly and without warning. The object is ostensibly to put the victim ill at ease and in a state of embarrassment. However, one wonders if it's simply an excuse to grab other mens' genitals.

Tony: I hate talking to Mike. I'm in the middle of a sentence and he just grabs my dick every time
Stan: yup, he's a cock jacker to be sure

Cock jacker by Iggle Piggle's alcoholic broth June 3, 2020

cockjacker 

The action of hijacking / theiving / obtaining a penis to ride or pump in a sexual manner.

Rob is a cockjacker as last night he took advantage of Frank

cockjacker by Denzel Large December 30, 2007