j00hai A friend you chat with using dumb 1337 speak, just so you can sound cool and make everyone else confused. Expand Hai j00, 1m 4 1337 0f 4 1337Hai j00, 1m 4 1337 0f 4 1337Hai j00, 1m 4 1337 0f 4 1337 0n 4 1337 + Examples