The Brief: This is a synonym for LMFAO. The idea is that one has laughed so hard, it killed them and they are now dead.

Bluesquiggle
DEEP DIVE

This is a synonym for LMFAO. The idea is that one has laughed so hard, it killed them and they are now dead (not literally). Variations may include descriptions of just how “dead” someone is.

More traditionally, it means “I’m tired.”