I saw mommy kissin' Santa Claus Underneath the mistletoe last night She didn't see me creep Down the stairs to have a peep 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 Oh, what a laugh it would have been If daddy had only seen Mommy kissin' Santa Claus last night I saw mommy kissin' Santa Claus Underneath the mistletoe last night She didn't see me creep Down the stairs to have a peep 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 Oh, what a laugh it would have been If daddy had only seen Mommy kissin' Santa Claus last night