thirsty
1. slang Eagerly and perhaps desperately in pursuit of attention or validation, often of one's attractiveness. Ugh, Amanda is so thirsty, posting all of those scantily-clad selfies on Instagram.
2. slang Desperately desirous of a sexual encounter, often with a particular person. All these guys sliding into my DMs are so clearly thirsty. You can tell a guy is thirsty when he hits on ever girl he sees.
thirsty for something
1. Lit. needing to drink something. I'm thirsty for a glass of cold water.
2. Fig. craving or desiring something. The students were thirsty for knowledge. That evil tyrant is thirsty for power.
thirsty soul
n. a drunkard; a person in need of a drink. Yes, I’d call Bill a thirsty soul—he always seems thirsty for booze. There was a long line of thirsty souls waiting for the liquor joint to open.