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2.
A BRT system in western Sydney. There are three lines, one running from Liverpool to Parramatta, one from Parramatta to Rouse Hill and the other running from Rouse Hill to Blacktown.

However, "T-Way" is usually referring to the Liverpool to Parramatta one. It travels through plenty of Housing Commission areas, so it is frequented by bogans and lads who bring their lovely language onto the bus, and like to have fights at the stations.
Let's take the T-way to Parramatta!
by ParraBoy March 16, 2011
 
1.
1.Bus going from Liverpool to Paramatta
2.Bus stop behind stockland mall where all the "heads" hang out and/or punch on.
You and me 1 on 1 t-way 3 o'clock

t-way cuz

lets t-way it to parra.
by lilman May 26, 2007
 
3.
adj - anal, controlling

noun - basically a selfish, spoiled, self-centered brat
"Stop telling me what to do, you're being so tway!"

"He's such a tway, he never washes the dishes or cleans up in the kitchen."
by Samm F November 14, 2007
 
4.
a tway is someone who is a nasty homosexual i.e a gay twat = tway
did you see michael brown today?

yes i did , he was mincing around calling everyone names!

he is such a tway!!
by McNadin August 25, 2009