Bubbing a Schmear 

Using your underwear to clean yourself up after sharting

Why were you behind that dumpster?

Oh I was Bubbing a Schmear after botching a routine fart.

or

I had to Bub a Schmear after sneezing in a hot car.

Bubbing a Schmear by Bubba Schmear August 17, 2014

You're my schmecker

The person telling you this wants you to go fuck yourself.

Simão, you're my schmecker

You're my schmecker by Seal077 June 7, 2022