esther-mating 

To form an approximate judgment or opinion regarding the amount of instances in which one has had sex with an elderly woman.

Dude, I'm esther-mating earl fucked the shit out of , maybe, three oldies.

esther-mating by Matthew James Harper September 3, 2007

estermating 

The act of making sexual noises in a non sexual situation.

Lisa kept estermating during her final exam at Boston College.

Jim was overheard estermating in the library and was expelled.

estermating by Pickled Sasquatch February 9, 2021