Tough one...

Could someone please identify the song for me that has a lot of "ah woo hoo" in it. Also it says something like "now she's my..." or "that's what I say". That's about all I can distinguish in it but it is sung by a man, and I'd say it is light rock/adult contemporary. It almost reminds me of like Jimmy Buffet maybe...It's played on the adult contemporary stations.
So could someone please tell me the name of this song or a way i could find it?!

Try "What I Say" by Ray Charles