rusty piggie Share definition Flag the act of inserting ones toe (piggy) into anothers anus. pref the big toe sally squeeled as chad gave her the rusty piggie last night..she returned the favor with a rusty trombone. rusty piggie by sqeelingpiggy69 June 24, 2009 0 0 Get merch Get the rusty piggie mug. Buy Now — $32.95 See more merch