(Christmas toys all over the place Little Johnny wears a funny smile upon his face Johnny has a secret, and the secret he must share He wants to tell somebody, so he tells his teddy bear.) I saw Mommy kissing Santa Claus Underneath the misteltoe 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 fast asleep Then I saw Mommy tickle Santa Claus Underneath his beard so snowy white What a laugh it would have been if Daddy had only seen Mommy kissing Santa Claus last night (I saw Mommy kissing Santa Claus Underneath the misteltoe 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 fast asleep.) Then I saw Mommy tickle Santa Claus Underneath his beard so snowy white What a laugh it would have been if Daddy had only seen Mommy kissing Santa Claus last night... What a laugh it would have been if Daddy had only seen Mommy kissing Santa Claus last night...