When a female wraps her legs around your waist from your back and closes guard beneath your balls. Inner locking the forefront of her foot to the arch on the opposite, thus creating a somewhat simulation of a belt. Whilst she has your back she reaches both hands around your bust jerking you off if able to. It’s a vary rare instance, be grateful.
A term to elicit shock, confusion, and intrigue when used in conversations regarding sex. The term has no actual definition. However, the word horseblanket sparks imagination and curiosity for the people engaged in such explicit conversations.
Chris: I finally convinced her to give me a blumpkin last night!
Everyone: hahaha.... Noice bro!... gross ewww....
Kevin: Oh yea? well I gave my main chick the horseblanket last night. She hasn't looked me in the eye since.
Everyone: Woah... I think i've seen that in a hentai once... WTF is a horseblanket!!