pagkalos - Pagkalos is the loud scream of a tired man. Use it when you'

Pagkalos is the loud scream of a tired man. Use it when you're too drained to care.

I said pagkalos when my alarm went off at 6 a. m.

My friend used pagkalos in a text and I laughed for 10 minutes.

I shouted pagkalos during a meeting and got fired.