come apart at the seams

On-Yomi: タン — Kun-Yomi: ほころ.びる

Koohii stories:

1) [Katsuo] 21-5-2008(86): Even though his costume is coming apart at the seams as he chases the bad guys, Spiderman is still determined to catch them.

2) [hissatsu] 16-11-2010(17): Spiderman is so determined to catch criminals that he doesn't notice his costume is coming apart at the seams. The Daily Bugle will love this! "Spider-pervert terrorizes city!".

3) [mcfate] 18-11-2007(13): The quality of the thread will determine whether your clothing will come apart at the seams.

4) [blannk] 11-12-2009(7): Spiderman's costume has come apart at the seams and here he is, mending it in his house, determined to make it stronger than before.

5) [Hoticehunter] 31-3-2012(3): If you want a simpler keyword, "rip" works just fine as a replacement.