Because ants are attracted to protein and fructose, "feeding one's ants" means masturbating to the point of ejaculation such that the expelled semen attracts a swarm of ants
Black: "Dude, I've been feeding my ants to Rik's pictures"
Bil: "Why are there ants crawling on my keyboard?"
Mei: "You've been feeding your ants, haven't you? >=\"
Local intelligenti are the people visibly hanging out in the neighborhood: people on their porches watching the street, gang of kids hanging out on the corner, etc
Took the wrong exit off the highway, asked the local intelligenti how to get back to 95.