Mama Lou.
The song is supposedly about Van Morrison and his ex (she was supposedly a groupie made good).

Thanks to Phil for posting them at www.shanemacgowan.com

Ya got a fat sugar daddy walking down the aisle with the devil in your heart and your girly smile
WHOOOOO! Mama Lou, Mama Lou
You Mattress you
I said Its wonderful, its wonderful, its wonderful to be loved by you

Noone had to tell you what your smile was for and I loved you from the moment that you walked through that door
WHOOOOO! Mama Lou, Mama Lou
You Mattress you
I said its wonderful, its wonderful, its wonderful to be loved by you

MAMAMAMAMAMA LOU........
MAMAMAMAMAMA LOU........
MAMAMAMAMAMA LOU........
MAMAMAMAMAMA LOU........

Noone had to tell you about your pretty face and you think that you're a gift to the human race
You mattress you
Mama Lou, Mama Lou
You mattress you
I said its wonderful, its wonderful, its wonderful to be loved by you

Ya got a fat sugar daddy walkin down the aisle while you spread your legs for another guy
You mattress you, Mama Lou, Mama Lou
You mattress you
I said its wonderful, its wonderful, its wonderful to be loved by you.

MAMAMAMAMAMA LOU........
MAMAMAMAMAMA LOU........
MAMAMAMAMAMA LOU........
MAMAMAMAMAMA LOU........
MAMAMAMAMAMA LOU........
MAMAMAMAMAMA LOU........
MAMAMAMAMAMA LOU........
MAMAMAMAMAMA LOU........
MAMAMAMAMAMA LOU........
MAMAMAMAMAMA LOU........
MAMAMAMAMAMA LOU........
MAMAMAMAMAMA LOU........
MAMAMAMAMAMA LOU........
MAMAMAMAMAMA LOU........
MAMAMAMAMAMA LOU........