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
by Sam June 17, 2005

Some Arkansan: I'mma gunna call duh Walmarts phone numbuh. Whut wuz it again?
Siri: Finding recipes for Wall Street Chili.
Another Arkansan: It started wif 501, but I (sounds like aye) don'tn't know whut duh resht of it wuz.
Siri: Finding recipes for Wall Street Chili.
Another Arkansan: It started wif 501, but I (sounds like aye) don'tn't know whut duh resht of it wuz.
by Humanish September 30, 2020

original , OG ,keeping it real
by Therealone501 April 25, 2015

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!
by red_rider April 14, 2004

Reference to the past and-or better days. Old school, vintage, the way it used to be, solid, reliable, dependable.
by Chill-in Chef May 12, 2009

by Mr. BoJanggels November 30, 2006

by s98 November 26, 2007
