IM·PLODE (m-pld)
v. im·plod·ed, im·plod·ing, im·plodes
v.intr.
1. To collapse inward violently.
2. To burst inward
3. To undergo violent compression
4. To collapse inward as if from external pressure; also : to become greatly reduced as if from collapsing
5. To break down or fall apart from within : self-destruct.