Salty is a slang term that means being upset, angry, or bitter, especially in a way that seems unreasonable or petty.
In gaming culture, when someone gets salty, they're usually mad because they lost or got outplayed.
The term "salty" can also refer to:
1. Literally tasting of salt
2. Being experienced or tough (old salt)
3. A style of electronic music (salty beats)