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1.
5 Pieces of crap that should have been flushed. See Backstreet Boys for other definitions.
Man: Have you heard of N Sync

Other Man: Yeah, those pices of crap should have been flushed a long time ago.
by Matt August 10, 2004
 
2.
best pop boyband ever from the 90's
Justin Timberlake, Chris Kirkpatrick, Joey Fatone, Lance Bass, and JC Chasez
jack : what you listening to
jeremy : tearing up my heart
jack : who sings that
jeremy : *nsync
james : omgg they're like the best group ever !
jeremy : omgg i know
by ebsz June 18, 2008
 
3.
an awesome boyband that should totally come back with a new number one hit
Nsync is that hottest boy band ever n if u hate them...u will die
by lo_la June 03, 2005
 
4.
Horrible boy band; The worst excuse for music ever;see O-town and/or the backstreet boys
Did you here it's not only the backstreet boys, all of the N Sync members are gay too except Justin who has Cameron Diaz.
by McrNb4cME January 22, 2006
 
5.
a celebration of gay,

like the backstreet boys.
is that Justin Timberlake in nsync?!!?!?!?!

wow, it is.

my point is proven.
by aaaaaaaaaa7 May 20, 2010
 
6.
The gayest boy band in the world.
nsync is so gay. They probably all fuck each other in the ass.
by EBR July 29, 2005
 
7.
A boyband with squeakyass voices. Girls are crazy for Nsync, even though your average straight guy would rather listen to nails on a fucking chalkboard.
those are the fags that sing that guy song, bye bye bye?
by getoffmywaves May 28, 2005