We fly, I mean so fly we need a whole wing...
They’re so high that they would have needed a whole wing to fly straight
The “whole wing” is referring to a whole wing of a hotel. Normally one would just buy a room for a night but Wiz is so fly he buys a whole wing of the hotel for him and his gang
To help improve the meaning of these lyrics, visit "No Sleep" by Wiz Khalifa Lyrics and leave a comment on the lyrics box