Baby Sister don't Baby Sister don't Lick your lips and fingertips Baby Sister don't do what your sister does I seen her at the station I filled her tank with gas She looked at me and scratched her teeth And asked me for a match Baby Sister don't Baby Sister don't Lick your lips and fingertips Baby Sister don't do what your sister does I hate to see you all lonely But she wouldn't say If I could wear her underwear Before she drove away Baby Sister don't Baby Sister don't Lick your lips and fingertips Baby Sister don't do what your sister does Baby Sister don't do what your sister does Baby Sister don't do what your sister does