Someone sends an instant message "Hi" to you, and you reply, "Hey! How are you?" -- and then... you wait around.. and nothing. Nothing for like forever. Then they go Idle, and leaves you with a big case of WTF?

Classic case of "hit and run".

Also, can be used when you are having a instant messaging conversation, and they leave you hanging unexpectedly...
Last time I talked to her on Facebook Chat, she did a hit and run.
by mel0dee December 21, 2010
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When you hit a car and leave the scene of the crime
I hit a car, and left the scene becuase i got high. Police found me later and charged me for a hit and run, now my insuracne will go up sky high
by jjazz July 4, 2009
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The hit and run is a highly advanced kissing technique. First you begin by getting 100s of cups of Sonic ice (Sonic ice only, other brands of ice are inferior). Then, select one piece of ice from each cup and put it in a special cooler. Then, when your girlfriend/boyfriend is exactly at the deepest point of their REM sleep cycle, wake them up. In their confusion, reach over them and kiss them once lightly with a spiderman kiss. Then, pull away and put all of the special ice in your mouth. Then lean over then again and kiss them and as soon as they open their lips to maximum width dump all the ice into their mouth and run as far as you can away from them
Ex. #1. Bro I hit and ran my girlfriend last night so bad she broke up with me
Ex. #2. My favorite fetish is a combination of cuckholding and the hit and run
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When you go to the washroom, take a shit and purposely (or accidentally) don't flush and walk way or leave the scene of the crime.
Dood, my girlfriend totally accidentally pulled a hit and run at my house last night, and by the time I got to it, the whole fucking room smelled like assholes.
by The Myuh Guy December 3, 2009
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When someone says something offensive, inappropriate, or in any way goon-like, on Facebook Chat, and then immediately goes offline to avoid consequences of the comment.

A Hit and Run is a sure example that the offender has Bitch in the Blood as well.
Eno: Damn DJ, remember when I whooped you in NCAA Football last night?!

DJ: You had Florida and I had Kent State, and you still only one by a game winning Field Goal!

Facebook Message: Eno is no longer online, and the message could not be sent.

DJ: God bless, he just delivered a nasty Hit and Run!
by DJWein3 September 4, 2009
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When something is a success/great. Alternative for “knocked it out of the park”.
When I cook, it’s a Hit and Run.

That chicken was a Hit and Run.
by Hit ‘n’ Run my G May 1, 2019
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Term for an accident after which the person who caused the accident runs away / flees
Yo you heard about the hit and run yesterday? - No, but i hope the cops will catch him
by Icecube205 January 27, 2020
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