What is Americanese?
1.
Chinese food made by Americans or American food made by Chinese people.
General Choi made an americanese hamburger today at Wong's house.
See
2.
The peculiar variant of English spoken in America. Subject to constant change, usually due to musicians and TV personalities making up new words all the time (intentionally or otherwise).
<Brit> This lad comes in here, he's speaking all Americanese, and expects people to understand him.
<Brit2> Someone needs to teach that git proper English.