Music video with a singing, drawn/ animated mouth?

I am going crazy trying to find this song.. I can't remember any of the lyrics. The only thing I remember clearly is the singing mouth. Had red lips, I think. The video was pretty weird and colorful. The mouth/ lips may have been on a face, but were way over-sized. The singer is female and the song is fast... show more I am going crazy trying to find this song.. I can't remember any of the lyrics. The only thing I remember clearly is the singing mouth. Had red lips, I think.
The video was pretty weird and colorful. The mouth/ lips may have been on a face, but were way over-sized.
The singer is female and the song is fast paced. Also, I think it was a little vulgar, in the language..

Does anyone have any clue as to what song and video I am talking about?
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