Cactus Humper is a term that a person might use to more "accurately describe" a Mexican, or anybody from America's South border.
You filthy cactus humper! Go play Russian Roulette with Dave, the border patrol officer.
When a person the shaves their nederlands and it grows back to a stub and tears up their partner.
Man my g/f really turned me into a Cactus Humper last night.