It goes with "doesn't know ..." You say it about somebody who doesn't know anything of any use at all, and when it is not enough to say "he doesn't know jack," and you are tired of "jack-shit."
The first four years of being an alderman, you don't know jack-bone! (Maze Jackson on his radio show)
by qariwa February 12, 2019
Get the jack-bone mug.The jack zone is a zone which all men want to be in. A zone where all the girls want you because your an absolute fucking stud. Have to have some type of facial hair to be in the jack zone
by Thegoatneno78 February 13, 2019
Get the The jack zone mug.by Superchunk5000 May 18, 2018
Get the Jack-light mug.A jack legg is someone one who is a ignorant, close minded individual.
Also can be someone who acts a fool.
Also can be someone who acts a fool.
by Chaotic beauty May 22, 2018
Get the Jack legg mug.The action of “jacking it” (beating the absolute fuck out of your dick) and then “slacking it “ (lying around and not doing anything
Me: When I get home I finna jack it and slack it
Random nigga: vro same that’s like all I’ve been doing lately
Me: wait who tf are you
Random nigga: vro same that’s like all I’ve been doing lately
Me: wait who tf are you
by Inatehiggers May 27, 2018
Get the Jack it and slack it mug.When having sex. If the male is very dominant, and has a vigorous technique - leaving the girl with a vagina as open as the Mexican border it is often stated they have been JACK FILERED.
by Jizzlamic State May 30, 2018
Get the Jack Filered mug.