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1.
Australian, n , cans; tins of beer.
Hundereds of empty tinnies littered the floor of my house.
by herbie August 31, 2004
 
2.
In New Zealand, a small amount ($20 worth) of weed wrapped in tin-foil for easy selling to small-time druggies.
"Where's the nearest tinny house? I need to buy some green!!"
by Alex March 12, 2005
 
3.
Tins of beer i.e Tennents
You up for drinking some tinnys tonight taggy at Glashie?
by Jon Simpson April 30, 2006
 
4.
a bowl made out of aluminium foil, mostly used to smoke weed out of
dude quick we need a tinny make one quick
by poor man bowl, October 11, 2008
 
5.
when someone is really lucky. Wins/does/scores unexpected achievements.
Bro, james just won $80 bucks on the pokies first spin. He's such a tinny bastard.
by durrys March 23, 2014
 
6.
Weed wrapped up in tin foil.
"Sup cuzz, gotta ne tinnies?"
by CYPSKING October 22, 2008
 
7.
Aluminium can usu. containing 375mL of sweet, sweet amber fluid.

see also stubbie, grenade
Greg managed to down his tinny in under 2 seconds.
by Nathan March 28, 2004