According to Stephen King in Dreamcatcher, fuckaroo means an extremely fucked up situtation, as opposed to fuckaree which means having a great time, usually but not necessarily, sexual.

n. The birth name of somebody who has changed their name. Most commonly attributed to trans people, but can be attributed to any person who has changed their name. (sometimes written as two words: dead name)

v. 1. To call somebody by their deadname.
v. 2. To out somebody's deadname to the public.

Fuckaroo is the sex act when someone gets on their hands and knees naked while another person gets on them naked and the person on bottom bucks as hard as they can to knock the other off and if they fall the one at bottom gets to have his or hers way with them

An exclamatory interjection.

When something is so messed up it’s beyond fixing.

A situation that is highly unpleasant and has a coercive nature. Like a bind or a jam

A situation in which promises are made and later broken, often knowlingly and wilfully. Like the donkey that has the carrot dangling in front of him, but the owner knows all along that he will never let the donkey get that carrot.