to kiss profusely using the lips of the mouth. tongue to tongue action is usually integrated. making out is a form of oral sex; fluid transfers take place.
Those two were making out during that entire movie.
by C to the H A June 30, 2003
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To engage in the sort of sexual banter witnessed in such 70s and 80s cinematic juggernauts like "Pretty In Pink," "St. Elmo's Fire" or anything else starring Molly Ringwald and / or a song by the Psychedelic Furs.
"Dude, did dhe make out with Ducky? Nah, man... he got to first with Blaine though."
by Bart June 18, 2003
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the act of rubbing two mouths together for an extended period of time... at least 2 minutes.
Shawn and Shawna came to a point in their relationship where they found it appropriate to rub their mouths together... make out!
by Shawna S. March 8, 2004
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On the last day of the semester, people go to secret spots where no one can see them, and perform this action which is open mouth kissing, involving the tongue.

Many people do this because they won’t see their significant other in a while, so they do this to say goodbye.
Hooman 1: On the last day, I was making out with my girlfriend
Hooman 2: Where did you go?
Hooman 1: Behind storage containers
by I have actual friends December 15, 2018
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A make-out bra is what you wear when you anticipate that you will permit your guy to go to second base.
Heather decided to wear her red make-out bra in anticipation of tonight's romancing.
by Cranberry Bob April 8, 2020
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n. When two people are just tossed out of their minds and make out with a lot of tounge
Yo, what'd you do last night?
Nothing much. Went to the bars. Got a couple of sloppy make outs and left.
by sloppymakeoutking69 September 22, 2013
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When you're riffing on an idea with someone, and the words are coming so smooth & fluid & satisfying that you feel like you're losing yourself in the soft luscious cavern of their mind. And you kind of just want to stay there forever.
Whenever I talk to him I’m titillated and aroused...intellectually . It's like we're mental making out.
by sqrrlgrrl September 12, 2017
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