I'm just tryin' to take a dip ya (splashhhh)
In the last line, River Island is a double entendre:
It is a London based fashion retail company which Rihanna has a line on
Wale is using River Island as another saying for pussy.
So he wants to go into the River’s Island and dive in it — have sex with these women.
To help improve the meaning of these lyrics, visit "Bad (Remix)" by Wale (Ft. Rihanna) Lyrics and leave a comment on the lyrics box