What does OOO mean in Unclassified?

Ooo

Ooo La La La" is a single by American R&B singer Teena Marie, which was released in 1988 and is featured on her album Naked to the World, released during the same year. The single became Teena Marie's biggest hit on the R&B chart. "Ooo La La La" peaked at number one on the Billboard R&B chart, and Marie's only number-one single on that chart. It peaked at number 85 on the Billboard Hot 100. The single had a resurgence in popularity when the song was interpolated by the Fugees on the group's 1996 hit single "Fu-Gee-La". Trey Songz also heavily sampled the chorus of the song in his 2014 hit, "Na Na". It was also covered by the trip hop group Attica Blues in 1998, on a Japan-exclusive single release.

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