Birthday Spankings

When I was 18 my girlfriends mom decided to give me a birthday spanking in her kitchen in front of my girlfriend and her older sister. Of course their family tradition was that the spanking should be giving just like the day you were born on the bare bottom. It was the most emBAREASSing spanking of my life.

The story was unlikely, but plausible, until you mentioned your possible mother-in-law's having you remove clothing. At that point your narrative passed into fantasy. I suspect that none of it is true.