A gurl who does what she wants... Probably has a bad attitude and may be sporting Fugg It Hair (see 'Fugg It Hair'). Penny has been known to sniff panties, and may be referred to as 'Panni' on da streets. An occasional 'Wud id eelz' will be tossed around, especially with a shot or two of Crystal P.
A Penny Sniffer is a gurl who does what she wants. See Fugg It Hair.