I saw Mommy kissing Santa Claus Underneath the mistletoe last night She didn't see me creep down the stairs to have a peek She thought that I was tucked up in my bedroom as she sleeped Then I saw Mommy tickle Santa Claus Underneath the mistletoe so quiet What a laugh it would have been If Daddy hadn't seen Mommy kissing Santa Claus last night Then I saw Mommy tickle Santa Claus Underneath the mistletoe so quiet What a laugh it would have been If Daddy hadn't seen Mommy kissing Santa Claus last night What a laugh it would have been If Daddy hadn't seen Mommy kissing Santa Claus last night If Daddy hadn't seen Mommy kissing Santa Claus last night