I need to know who sings this song from the 90's?

Question

these are the only lyrics I can think of:

and were you thinking of me when you ****** her...

and then another part of the song is:
and every time I scratch my nails down someone else's back I hope you feel it...oh can you feel it?

Answer 1

http://www.youtube.com/watch?v=nAZkr6DtGeA

watch and you will be pleasantly surprised.

http://www.cafeastrology.com/Love_songs/you_oughta_know_lyrics.html