Fuming is a state of furious anger. It's roots trace from how cartoons are depicted to have steam to come out their ears when they get angry or annoyed, often turning red in the face.
"Did you knowShelly brought the same Prom dress as you?"
When something has annoyed you so much that you begin complaining, and your voice goes high-pitched and squeaky. It may involve loud sounds of irritation being produced as a result of this 'fuming' state.
Asha was so fuming yesterday, she said someone stole her carpi-sonnes. She made those weird sounds again, when she spoke.
The act of sticking a finger up someone's bum during sex, either with their express request, reluctant permission, or (more amusingly) completely out of the blue.
Consider it a sort of polite alternative, or a beginner's version if you would, of fisting.
It comes from the acronym FUB - Finger Up Bum.
Derivatives like 'to fub', 'fubbed', 'well I'll be fubbed', 'fubstep' and so on are known to exist and are applicable according to context.
"I was having sex with this 8/10 girl yesterday and out of the blue, she starts fubbing me. No warning whatsoever! At first I didn't know what to do, but she was pretty fit so I just rode it out... Fubbed and proud!"