seam
bursting (or bulging) at the seams (of a place or building) full to overflowing. informal
come (or fall) apart at the seams
1 (of a thing) fall to pieces.
2 (of a person); have an emotional breakdown; collapse. informal
☞ Seams are the lines along which pieces of fabric or the planks of a boat are joined, perceived as the points most likely to be damaged or weakened.