Heh-woh It's not just a greeting! It's a phone! That's what he calls a phone.
Gree Yes, Lewis is a genius. He can already count! But there are only ever gree of them. "Gree, gree, GREE!"
Hoo-hoo! Dinosaur Train, the crack-cocaine t.v. show of Art and Lewis's generation. Dinosaurs that ride an effin' train.
Wee-wee Said in a regular voice, it means frog. Said in a guttural growl, it is the sound a frog makes.