when girls come together and try to sync up their vaginas so they can all have their periods on the same day
Guy A: yo u heard wats going on at becky's tonight?
Guy B: yea i heard its an all girl's thing
Guy A: we should totally crash that fuckin sync party
Guy B: no doubt
by drizzy dres February 14, 2011
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not in order, not in harmony
(from a term used for the exact correspondence of sound and/or recorded image)
That team is out of sync.
by The Return of Light Joker September 07, 2008
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gathering of the pussy so girls can sync up the days they have their periods
Guy A: yo u heard wats going on at becky's tonight?

Guy B: yea its an all girl's thing

Guy A: wat a fuckin sync party

Guy B:haha yea
by drizzy dres February 27, 2011
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Similar to, but different from, lip syncing as rip syncing is the act of actually singing words, typically at the top of one's lungs when very drunk and having little care for the actual lyrics.
Jim was hammered last night and got rip syncing with Jill the entire Boston album. Between the two of them, they knew about 40% of the lyrics and 100% of the choruses, which the yelled very loudly.
by the coMANd'r October 26, 2017
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When the tic-tic of your blinkers' stays perfectly in syncs with the backlights of the car in front of you. Rarely seen.
Dude, I'm totally having a Blinker Sync!
by qwertyfelix September 05, 2009
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When your vehicle's turn signal indicator syncs with the beat of the music that's playing from your car's stereo, either by matching or alternating with the beat of the music. See Wiper Beat.
Tick, tsch, tick, tsch, woomp, tick, woomp tick...
Hey check out this crazy blinker sync!
by Excalq December 10, 2009
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The use of another person to post tweets to your Twitter account, pretending to be you.
Man 50 Cent is "Tweet Syncing". He has some dude posting to his Twitter account pretending to be him. Thats like freakin' Milli Tweetilli.
by Tom_in_SA March 27, 2009
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