by VictorianGunsel February 1, 2018

A punch to the face, especially of a random person you encounter in Boston or the kingdom known as Red Sox Nation
by whothefuckcaresaboutahandle July 25, 2016

by ello_mate November 13, 2018

Popularized by the Dc animated show "Young Justice." It is used when someone realizes something that was really obvious or finally solved a mistery.
Violet: "you knew she was into me? Since when?"
Terra: "Hello Megan, she's been crushing on you for a year. "
Terra: "Hello Megan, she's been crushing on you for a year. "
by RandB July 7, 2022

An insincere greeting while in passing with minimal acknowledgement towards an acquaintances answer to their question.
I didn't actually care how he was, so I just gave him the la hello.
Jack: "Hey!"
Sarah: "Hey, How are you!?"
Two continue to walk in opposite directions.
Jack: "Hey!"
Sarah: "Hey, How are you!?"
Two continue to walk in opposite directions.
by MARictionary January 18, 2015

by Geoff1974 February 22, 2022

When a Pittsburgher has a sexual encounter with a new partner and slaps their ass with enough velocity to leave a mark in the shape of a hand. Then profusely apologizes over Primates sandwiches
by HowDoPittsburgh April 27, 2022
