When, because of all the sex you've been having, you have lost all the fat on your body. This can be because you have had to stop eating, or been spending so much energy. Usually stopped by bringing whipped cream to the bedroom.

A very undesireable and or none branded item of clothing, jewellery, electronics etc, which you can guarantee your father would rather buy for you instead of the expensive alternative.

It is a word used in Chile that replaces the word "thing", so it can be used replacing every single noun that exists. It doesn't mean anything wrong but is not a nice way to talk. It is mostly used with people that have the same status or relation.
The actual meaning of the word wea depends of the context of the situation.

one who has sex with otters. or gives oral fellatio to otters. in general, one who gives otters any kind of sexual pleasure

Do you want to sneak out and come cuddle with me 🥺

A heightened state of excitement or ecstasy over the completion of any facet of the taxation process. Usually experienced by CPA's.