Ive seen this pin a few times. and I thought it was funny, but then I actually watched this episode and now I notice Cory and topanga's professor in the background, about to get into a fight because he (the professor) came onto topanga. And its a really dramatic scene because topanga isn't listening to the conversation, and this is her halfhearted answer.
'N Sync was an American boy band formed in Orlando, Florida in 1995 and launched in Germany by BMG Ariola Munich. NSYNC consisted of Justin Timberlake, JC Chasez, Chris Kirkpatrick, Joey Fatone, and Lance Bass.