methercourse 

When you insert meth in the vagina before having sex

The patient claims she started having palpitations after her partner and her engaged in methercourse

methercourse by Hussy$ December 20, 2017

mouthercourse

(noun) the stimulation of the genitals using the mouth. Often referred to as second base for gay men and a homerun for gay women. Mouthercourse is often used as a way to avoid the loss of virginity for teenagers.

Bill Clinton did not have intercourse with that women; they engaged in mouthercourse.

mouthercourse by Doctor Darling July 5, 2009

Mentercourse 

Sex between two dudes.

Did you two guys just have mentercourse?

Mentercourse by Ekm1026 December 25, 2019