F'jackn

F'jack: v; used to describe when someone is doing something.

F'jackn is the art of F'jackinating.
This word was first used in a Math class in The Science Academy, since then it has been widely spread.

You:Dude are you F'jackn?
Friend:Why yes I am.

or

You:Are you f***ing with me?
Friend:Naw, I'm just F'jackn with you.

F'jackn by ryan blahahahahahaha March 8, 2009

F-Jack 

Female ejaculation; the watery substance that comes out of a woman sometimes when she gets a good lay. not common for all (read straight) women.

Dude, she F-Jacked all over my face.

F-Jack by BardHead January 18, 2009

Jack F 

Class A dick head who has no friends and thinks hes hard because he works on a farm and doesn't go to school

Guy 1: Jack F is such a dick

Guy 2: I know right

Jack F by Got you Jack F March 17, 2020

Jack F 

Has a perm

Jack F usually has a perm

Jack F by Marv101010 June 23, 2021