Using lube

My girlfriend used her tongue and rimmed my asshole and got it wet and fucked my ass with a rectal thermometer while sucking my cock! She swallowed every drop!

No lube. Makes the thermometer fall out

When my parents took my temp they most times put some baby oil onto the thermometer before insertion in my bum. Today I take it too by time, but I also try different options like Nivea or lube or sometimes only spit

@Rigel Just noticed the grocery store now has the condoms and lubricants (astroglide, ky, et al) in a locked cabinet with a button to push to get someone to unlock it!

“Paging store manager: Please report to aisle 3 with keys. Older gentleman needs help with more lube.”

I've always just used Vaseline.

" Vicks Varorup " will give " special feelings " !!

And also the peppermintsoap of " Dr. Bronner's " !!

I used Vaseline when I started taking my own rectal temps years ago. Then it was K-Y and now mineral oil, if I use lube at all.