Pentade

A period of 5 years or half a decade, usually a good way to measure changes in pop culture through time.

The first pentade of the 2020s is a disaster

PLMD

Stands for "Please let me die". It's the feeling when you know you screwed up or are in trouble, but you can't do anything to stop it or can't flee from the situation, but are expected to do something.

A: You arrived late! Why can't you just pay attention? We're very pissed!
B: (under their breath) PLMD...