Green’s Dictionary of Slang

around-the-way girl n.

[around the way adj. + SE girl]

(US black) a young woman from the neighbourhood or ghetto; a casual girlfriend rather than a steady one.

[US]LL Cool J ‘Around the Way Girl’ [lyrics] I need an around the way girl / Around the way girl / Thats the one for me.
[US]Hip-Hop Connection Aug. 21: Around the Way ‘I need an around the way girl, who likes my new commercial bent,’ went LL Cool J’s smash hit. To you and me it means the girl next door.
[US]A.N. LeBlanc Random Family 53: Jessica was no longer George’s around-the-way girl, hidden in a stash house.