She's got eyes
This term is used when a girl has a boyfriend but is obviously checking out and flirting with other guys
I saw Stacy walking around with her man today, she's got eyes
She's not got wooden eyes
If a girl is checking you out from across the dance floor, the proper banter response to the lads about the perp is "she's not got wooden eyes'
Sexy girl across the dance floor, she checks you out, you say au naturalment, 'she's not got wooden eyes'