when you hear/see someone listing watching singing talking thinking about Justin Beiber at the same time that you are.
*both singing at same time*
Girl 1: "I need somebody to love"
Girl 2: "Never Say Never"
*both yelling*
Girl 1: Hey Bitch you Beiber Jackin!!!
Girl 2:What evs hoe I was singing first!!!
Girl 1: "I need somebody to love"
Girl 2: "Never Say Never"
*both yelling*
Girl 1: Hey Bitch you Beiber Jackin!!!
Girl 2:What evs hoe I was singing first!!!
by Peric E. Nukka March 3, 2011

Jake: “Hey Jasmine what’d you do with your husband this weekend?”
Jasmine: “Just snackin and jackin my dude”
Jasmine: “Just snackin and jackin my dude”
by Yo Boi Pablo April 24, 2018

by The Omega Parmesan Wedge August 27, 2022

Graham: Yeah, haha… Oh No, he’s Jackin the Crane again, he’s using up our wood supply, somebody is gonna get hurt!
by NobodySleeks27 September 28, 2025

When you stick your penis in a women's anus then pull out and jack it onto her back. Then hit that ass with your fist as hard as possible.
by Mud jacker May 10, 2017

When someone is on Facebook, via mobile device. This can include but not be limited to: updating Fabo status, Facebook stalking, changing profile pic, etc. Does not include Twitter, Myspace, nor Xanga due to gayness of said sites.
by jakeyjake8872 June 3, 2011

by Black_Daddy December 12, 2017
