"Stunt" is a colloquialism for show off, so with this line Soulja Boy is saying that the money he's earned has afforded his entire his entire group of friends (his "clique") the ability to flaunt their wealth.
it should be noted that to "crank that Soulja Boy" is not directly part of the sexual act of "Superman that hoe" but is rather a recurring instruction to listeners throughout the song to do a specific dance
He is saying that when he gets out of bed and starts his day, he puts his swagger on. Swag refers to the way one carries their-self, by means of clothing, jewelry, cars, and any other object one feels necessary to increase confidence.
when dancing, to "hit" is to time a move to match a specific beat in the music. in this case, it's used more generally to refer to performing a new dance called the "bird walk" which resembles what a bird would probably look like if it decided to dance.