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1.
Fashionable terminology for referring to females within your cru. Each female generally has her own tag-name beginning with 'laydee' - it comes in handy for graffiting your school desk,or rival crew's territory.
"Yo Laydee Notorious. Iz you comin' out tonight with me and Laydee Bootylicious?!"
 
2.
A woman you LAY.
MIKE: So, did you and Bethany get it on last night?

JEFF: Hell yeah! Beth is my Laydee.
by Mike Comanche March 04, 2009