Made famous by the T.I. song by the same name. Top back refers to when one retracts the roof of a convertible automobile. Also referred to as "droppin' tha top o' tha drop top."
"I like my beat down low and my top let back. See me ride 24's with tha chopper in the back"

"Yo man its NBA All Star weekend, bring that top back so we can ghost ride down the Strip!"

"Yo man, ur girl is fugly. Put her top back on."
by Adam Kroniq February 1, 2008
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to be drunk
Man, you had your top let back last night!
by triggs21 February 20, 2009
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