When you’re too old to be doing immature stuff. This can be any age. The first example is for someone who is like 25+, the second example is for someone who is like 18+. It varies.
“Y’all still being financially irresponsible at your big age? Come on now.”
“Y’all still fighting in school at your big age?”
by wopster_jpg March 2, 2019
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usually used as an insult. another way of saying "aren't you too old for this?"
Person A: Guys! Look at my new stuff animals I got for Christmas!
Person B: Your still getting toys at your big age?
by frogscotch December 29, 2022
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