wow mommy s kissing santa claus i saw mommy kissing 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 kissing santa claus last night he saw mommy kissing santa claus i did i really did see mommy kissing santa claus and i m gonna tell my dad 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 kissing santa claus last night oh what a laugh it would have been if daddy had only seen mommy kissing santa claus last night i did i did i really did see mommy kissing santa claus you gotta believe me you just gotta believe me come on fellas believe me you just gotta believe me 