Rebellion against an authority

Mostly sailors ( pirates ) against superior officers.

when you're hungover as shit after a spending a night drunk as a skunk

To drink a bottle of Captain Morgan or Admiral Nelson until it is empty.

A group of three or more post-doctoral researchers (postdocs).

A Mutiny is when you allow someone to engage in penetrative sex with yourself during pirate-esque sorts of role play and then have them ambushed by one or more people in which you proceed to 'take over'.

when better, more appropriate titles go AWOL