The person at the back of a long grocery line who jumps in front of everyone as a new check out lane is opened up.
Dude, he's only been waiting for like one minute. I can't believe he just jumped into that new lane.
He's a total grocery line jacker. It's not a race, buddy.
He's a total grocery line jacker. It's not a race, buddy.
by Shumado June 7, 2011
Get the Grocery Line Jacker mug.