Ex. 1 -
To clarify
Rob: I smoked an ounce the other day.
Jake: True?
Rob: True.
Ex. 2 - To agree.
Joey:
Monica is so fine.
Troy: True
Ex. 3 - To avoid a subject.
Mom - You should start your homework soon.
Son: True
Ex. 4 - To make someone shut the fuck up
David: Yo. Did the vape come in yet?
Brad: True