What does this mean "She wears a two way"?

Jjpayne
What does this mean She wears a two way?
"8 o'clock, Monday night and I'm waitin'
To finally talk to a girl a little cooler than me.
Her name is Nona, she's a rocker with a nose ring,
She wears a two way, but I'm not quite sure what that means."
Updates
+1 y
"two-wayA thong that goes up the front. in other words... a wedgie a camel toe in one pair of underwear. She wears a two way but im not quite sure what that means."20 seconds on google "https://www. urbandictionary. com/define. php? term=two-wayThank you @FrenchyRomain
What does this mean "She wears a two way"?
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