What is Handi-clap?
1.
a schoolyard style clapping routine where two people sing the words: "clap, clap, handi-cap, clap (WHAT!) handi-clap!" <<< is also accompanied by choreographed movements.
1st person: "Hey you guys wana play handi-clap with me?"
2nd person: "yeh...let me wash my hands 1st"
See