Inserting your finger(s) into a vagina with the intention of soliciting a sexual response.
Question: Dude, did you get laid last night? Response: No, but I did get some Finger Chili.
Chili you can find at the popular fast food restaurant, Wendy's. Named after a woman placed a severed thumb in her chili, then tried to blame it on Wendy's to collect a large cash settlement.
"Let's go to Wendy's"
"Ooh, yeah, I want some finger chili!"