Canadian two dollar coin.
Derives from combining loonie
"Coffee costs $1.35. If you give me a toonie, I'll give you 65 cents back."
"Got two loonies for this toonie?"
1) Somebody whose not from Boston (primarily Charlestown) who has taken residence there in recent years.
2) A person from outside the Greater Boston area who has moved into a tradition-heavy Boston neighborhood like Charlelstown, Dorchester, Cambridge, or any surrounding burrough.
Townie 1: You still take your kids to the Boys and Girls Club?
Townie 2: Yeah, they just got some new Toonie chick working there, great ass but her accent's goofy as fuck.
Toongabbie - a suburb in the western suburbs of Sydney, Australia
"Since they demolished the Picadilly, there's nowhere to shop in Toonie"
A crazy nut sack, willing to shave the hair of a looney cave man preparing for winter. Can also be found in an old mans belly rolls.
Get away yah crazy toonie!