When two gays do something insync. It can be saying something at the same time or even just reacting with the same mannerisms.
Straight Girl: "Hey guys look a bug!"
The Two Gay Guys: "Aww how cute! Haha twink sync!"
Straight Girl: "What Haha! Twink Sync?"
One Of The Gay Guys: "It's when two of the twinks sync up and start saying things in unison. I can't be around other twinks too long or I sync up."
When two or more friends start “geeking” in unison.
Bro me and Jared cheifed so phat and went into geek sync foreverrr
S'ynce is a bad bitch with a nice body and a loyal heart if you have an S'ynce you can either lover her or be jealous of her if you friends with someone like S'ynce you will always laugh or just here the truth if you have an S'ynce you better keep her because they are rare to find
i want an synce a loud annoying yet caring and beautiful person