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1.
Canadian two dollar coin.

Derives from combining loonie and "two".
"Coffee costs $1.35. If you give me a toonie, I'll give you 65 cents back."

"Got two loonies for this toonie?"
by blaidd January 12, 2004
163 63
 
2.
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.
by DougMcCray December 30, 2010
77 23
 
3.
Toongabbie - a suburb in the western suburbs of Sydney, Australia
"Since they demolished the Picadilly, there's nowhere to shop in Toonie"
by Alberto Rosso August 14, 2007
22 38
 
4.
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!
by soupy doopy October 04, 2010
7 24