Noun.

An older woman's breasts which still have breast implants, and it is obvious that they are there, because the breasts would have naturally deteriorated by now.
"Qurl did u sea La Fawnduh's Lag Bags?!"

"Yea! That bitch be almost 70 and they stil be up!"
by iRideDragons March 3, 2012
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a holiday on decmeber 23
shlooky lag bag chilnka! 🥏🦵🦶
by shlooky booky December 20, 2019
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When a male has been sitting for quite some time and the relative humidity of the area has caused his scrotum to adhere to the inside of his thigh
"Oh man, I hate it when I get bag lag in public."
by cubcan January 5, 2015
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