We've had all sorts of teasers from f(x) for their comeback song "Rum Pum Pum Pum", from an art film to various individual and group image teasers.

The girls have now given us a video teaser, finally showing us a glimpse of the MV as well as how the song sounds like. 

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Their upcoming title track is a pop dance track that compares belatedly finding one's first love to a wisdom tooth that grows last as it pushes aside the other teeth.

They'll actually be kicking off their comeback stages prior to the album release, starting off with their performance at 'M! Countdown' on the 25th. The 2nd full-length album 'Pink Tape' will be released on and offline on the 29th!

[Thanks to everyone who sent this in!]