What is hop-ons?

the cult chants this in my livingroom while i bleed out on the floor

Cultists "to the left, take it back now yall, one hop this time"
Me *bleeding on the floor after being stabbed 80 times*

hop-ons - meme gif

Hop} Ons are when someone hops onto your car that you are driving and rides around with you for awhile.

I was driving to work in my Stair-Car when I got several hop-ons when passing the corner full of illegal immigrants.