The act of fingering a female while in the process of driving in any seat as long as the car is moving.
Guy1: "Did you go see a movie with that chick last night?"
Guy2: "Ya and i gave her some Drive Digits on the way there."
Checking in into an establishment on Foursquare when you're around the area but not really there. Usually done by people who just want to unlock badges or get mayorships.
Friend: "Hey, I saw you checked into Wal-Mart last night, I was there, but didn't see you!"
You: "Yea, that was a drive-by check-in. I just wanna make sure I was still mayor."
Hot young thots who shoot porn for a few months and then suddenly stop for unknown reasons.
Often they will delete/abandon their social media and seemingly vanish off the face of the earth.
Me: what happened to <insert thot>? No new scenes for months already and her twitter is gone.
Bro: just another drive-by pornstar, dude.
Me: damn, she was so hot...
operator being tricked into giving permission to download without realizing the download contains malware.
fake anti-virus scams are almost always nothing more than drive-by downloading
Wanking two men off simultaneously.
"I was driving a crane last night"
"Did they go off at the same time?"
"Right in my face, it was brilliant!"
When you drive by bae's house to see what they're doing.
He said he was going to stay in tonight so im going to drive bae and see if hes telling the truth
Our of the blue, someone contacts an old friend, former co-worker or ex-lover through a social network -- but then doesn't respond to replies.
Bob had a drive-by reunion with his very first girlfriend, who messaged him through Facebook. He replied, but she just disappeared again.