DTF means down to fuck.
often used by teenage boys when speaking off girls
boy a: stephanie was really DTF this weekend
boy b: Daaaaaaaaaaaaamn bro!! i`D deffinetly tap that
to flick the cuCUMber is a metaphore for masturbating. often used by norwegian teenagers.
boy a: what should we do this weekend
boy b: Flick the cuCUMber?
boy a: Eskitiiiiit
boy b: skrt skrt