When a group of friends are chilling on a log together straddling it so that all of their legs hang over the sides. The end result of the log with many legs resembles a millipede, or, chillipede.
Travis: "You want to go sit on that log?"
Ashur: "For sherbert. We have four people. Thats enough to make a chillipede!"
When one voluntarily or involuntarily becomes extremely chinese or chink culture is evident through them.
This is common when white people start hanging out with asian crowds and go to arcades or internet cafes in highly asian populated areas and start swearing in cantonese or mandarin.