When a young boi says hello to other young bois.
Boi 1:Sup Bois!!!
Boi 2-5:Sup boi!!!
to have an outfit consisting of all supreme brand (top, bottom, socks, underwear)
Yo, tonight for the party should I sup it out? I’m tryna look good for her, you know?
Sup lofer is a thing you can say when you meet a friend or an enemy. It can also be used to direspect an opponent in a LOL
*Oneshot an enemy* /all Sup lofer
(noun) 1. When your penis is erect, and you flex it upward in a sup nod to your partner.
“She was surprised to see me naked, so I gave her the sup-dick to break the awkward silence.”