Hi-so:
Short for “high society,” a marker of anything perceived to be upscale.
Ween:
To go apeshit on someone. “You can ween a waiter who has given poor service,” says radio newscaster Jack Prinya, “or a boyfriend who has the same unknown phone number repeatedly appearing on his cell phone.”
Rangs:
“Strong” or “loud,” and the s is an intensifier. “It’s an insane mix of Thai and English,” says Prinya.
Mep:
“It means godlike, wonderful, awesome, super,” says Kitty Chirapongse, a social-media manager.
555:
Texting-code for LOL, from ha, the Thai word for five.
Dra-ma!:
Exclamation when someone is being overly dramatic.