Said by Über-hipsters who are always on the cutting edge of popular and alternative culture, and soon to be on the cutting edge of a very unpopular switchblade.
person 2: RING RING
Jen: Ummm maybe later after revision.
Mary: Hmmf. Fine. Nvm. ring ring tomorow instead?
Jen: Well i'm kind of seeing sally tomorow..
Mary: Hoy, ring ring?
Jen: Well I need to drop my mom off, then finish my homework, then do some revision, then make tea for my brother, then clean out the fish, then pick my mom up, then go to work, then have a shower...
Mary: NVM. HMMMMMMF.
Jen: Sorry we haven't been able to talk much lately.. but we can ring ring tomorow for a whole hour!