Pohog
(Origin: English, Backwards spelling of Johns Hopkins "Go Hop" poster)

Any of a small species of small cute things of an indeterminate shape. Often exclaimed while poking someone's nose or ears. This is the funniest word known to man, so use care when uttering. It may cause uncontrollable laughter.
"Guess what guess what guess what!"

"What?"

"POHOG!"

"Hahahahahahaha! Heeheeheehee! Tee hee hee! Lol!"