deathlock

1. A certain wrestling move that traps the opponent's leg.

2. Synonym of death grip.

   A close struggle between two opponents in which each tries to kill the other.

3. (figuratively)A struggle to destroy a force or principle to which one is opposed, or between two mutually incompatible principles.

4. Rigor mortis, or a physical grip that is similarly inflexible and unyielding.

5. (figuratively)A similarly tight hold on something nonphysical.

regular