INSYNC 

Incorrect spelling of the popular boy band from the mid 90's to early 2000's *NSYNC.
Most commonly used by people who dislike the band, boy bands, or any group who sounds similar to *NSYNC.
This term is also commonly used by people who are "rockers" and dislike all "Pop" music all together

EX 1:Written in urban dictionary By -Chris- :
Def- S Club 7
SUCKS ASS to the extremoid.
-Similar Bands-
-Backstreet Boys
-Pussycat Dolls
-Five
-INSYNC

-Opposite Bands-
-Green Day
-System of a Down
-Franz Ferdinand
-The Killers
-The Strokes


EX 2:While in an Instant Message:
P1- I Cant Believe You Still listen to that Gay band INSYNC

P2:Its Written NSYNC, and i stil like them for there melodic harmonies and cute love songs

INSYNC by Skaprincess April 6, 2009

in sync bb 

when you and your "friend" wake up at the same time.

"just woke up"
"me too, in sync bb"
"😍 lets go"
"now we can have sex"
"sure"

in sync bb by notcassie October 14, 2021

In sync bb 

A joke in the Dream smp fandom, more so common in the Dnf fraction of the Fandom, where Georgenotfound and Dream(wastaken) woke at at the same time and texted each other.

The texts were read out loud by dream on stream, and has been clipped and viewed by people many times.

Dream= in sync bb
Now we can have ***

George= sure

In sync bb by Proxwashere September 13, 2021

In sync 

When two or more people say the same thing at the same time.

Jane: I wanna do something!
Billy: Let’s go do something!
Jane: In sync!

In sync by RFreshton September 30, 2017

insyncex 

In sync exercise.
Two lovers coming together to "do life" step by step in sync always watching each others back helping catching giving taking. gradually getting better.

"I want to do the insyncex with you."

insyncex by Krkič December 4, 2021

Insincerely Yours 

Insincerely Yours is the name of a blog centered on the sexual awakening of a female in Los Angeles.

1: Have you read the latest Insincerely Yours?

2: It's about time she lost her vcard!

Insincerely Yours by evolvedboy October 6, 2011

Insynctomatic 

When you are so in sync with the homeboys that no one else can jump on your wavelength because the symptoms of this ultimate duo are asymptomatic.

Damn homiebear, we insynctomatic fr fr.

Insynctomatic by Menacing Magnet Mandem May 2, 2022