You're probably hookin up with that girl
That's been, two-wayin you all week

from Ludacris (Ft. Jagged Edge & Twista) – Freaky Thangs Lyrics on Rap Genius

Meaning

In other words, he’s saying that you’re hooking up with a girl who’s been hooking up with other dude’s behind your back. Two-Wayin (or going two ways, you and another dude)

To help improve the meaning of these lyrics, visit “Freaky Thangs” by Ludacris (Ft. Jagged Edge & Twista) Lyrics and leave a comment on the lyrics box