Verb: Act of taking a shower. Common term used among urban and 'new age' kids. Typically a term used by males who identify themselves as the modern "bro."
veronica: Hey babe, i'm going to come get you soon
tim: yeah that's cool. i'll call you back after i'm done rockin' the suds.
also,
john: Hey bro! Wanna meet me at the club tonight?
eric: Yeah Bro! Imma rock the suds, then i'll head out!
also,
tom: Mayne i am worn out after that surf.
benny: Yeah dude, i've got some sud rockin' to do