Someone who's in a bit of a huff. 'Size' can substitute 'strop' if saying someone has a strop on. Currently used by youths to make people like me feel old.

The euphemism for a large or obese person. Soon to be adopted by airlines who have to be careful not to overfill their flights.

To look dirty at someone (up and down)

A level up/ get better / become and evolve into something that’s even more sick than the original version !!

usually under the question "What's your size?", it would be penis length to males and breast cup size to females.

1. To treat someone with disrespect.
2. To take advantage of someone.

To size (or size-up) is to sum up or evaluate something/someone.