2. Hanging out, chilling
3. A chill kick-back/get together in which everyone is just getting baked
4. Used to express a sense of agreement/satisfaction
(can pretty much act as any part of speech)
Ex. "Dude wanna chillant and smoke a fat bowl?"
Ex. Person A: "wanna head to that chillant at Trevs house?"
Person B: "shhiiiuuutttt, that sounds chillant"