What is 501?
1.
In reference to a booty, levi jeans "501," jeans. so if u say damn that girl has a 501 she has a nice big ass
"Damm shorty check out Lauren's 501."
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2.
Reference to the past and-or better days. Old school, vintage, the way it used to be, solid, reliable, dependable.
" things just aint "501" anymore"
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3.
A party announcement. Could be a small get together or a large all-out bash. In other words, it's going to be fun, so get off your ass and come!
501 tonight at Drew's. They got 6 kegs, the dg's and a couple pool tables. You better be there!