To jack (steal) someone elses expression(s). The person who always Jack-spressions is usually too lame to come up with their own expression.
Emily told Leah and Moe that she was crushing on Conan O'brien. Leah squinched her nose and formed and O with her lips. Moe Jack-spression(ed) and repeated the same reaction.
by One of the SMB's June 15, 2011
Get the Jack-spression mug.Bob: Yo I totally Jack Slapped Snayha last night!
MING-MING: But how she's so much taller than you?
Bob: I brought a step stool.
MING-MING; Nice.
MING-MING: But how she's so much taller than you?
Bob: I brought a step stool.
MING-MING; Nice.
by pseudonym Jones hihihihihihihi June 19, 2011
Get the Jack Slapped mug.When multiple males who fornicating with one female (or male) at the same time, (A.K.A- "running a train") , frequently alternate the usage of one condom amongst themselves.
me: Dude me and the crew ran a train on Perla last night!
Dew: Dirty Perla?
me: Yea!
Dew: Gross! Did all of you have condoms?
me: Na
Dew: Were you guys jack wrapping?
me: Hell yea!
Dew: Sweeeet....
Dew: Dirty Perla?
me: Yea!
Dew: Gross! Did all of you have condoms?
me: Na
Dew: Were you guys jack wrapping?
me: Hell yea!
Dew: Sweeeet....
by megasourass June 20, 2011
Get the Jack Wrapping mug.Lobby Jacking is the act of masturbating when you are in a call of duty or any online games lobby. If you finish before the timer runs out you win. Can be done in other situations ie; microwaves counting down.
by Most Dope95 June 23, 2011
Get the Lobby Jacking mug.by doodling July 1, 2011
Get the jack lass mug.Doing jumping jacks nude.
by a714generation July 1, 2011
Get the Junking Jacks mug.