Comes from the dictionary definition of the word that is a block that you put under wheels to stop them from moving on cars or airplanes.
Can be used as a noun (you are a chock) or a verb (to chock)
Jimmy really chocked us last night when we wanted to go to the movie and he wasn't ready
If the male continues to chock against the females wishes, this moves into ass rape.
A female may or may not enjoy being chocked. If she asks for another chock,the chocking moves into anal sex.
"So my bf chocked me yesterday and i kind of liked it..."
"Chock me once shame on you, chock me twice shame on me.