get at
1. To contact someone

2. To try and seduce or pull someone, to mack someone

see holla
1a.  "I'll see ya tomorrow Dave"
    "Yeah, get at me"

1b.  "Have you talked to Bobby?"
     "Nah, haven't seen him in a while."
     "You should get at him"

2. "That girl is so fucking sexy, I'mma get at her."