1. To look over a person so as to evaluate and form an opinion of their appearance and demeanor. I could feel everyone eyeing me up as I made my way toward the main stage. Ugh, I hate when you're waiting for an interview, and everyone in the department walks by and eyes you up. Given that she was scowling, I didn't have to eye her up for long to get a sense of her attitude.

2. To look attentively upon or at someone in whom one is romantically or sexually interested. There's a really cute guy eyeing you up from across the bar. Would you quit eyeing Patrick up? His girlfriend is literally standing right there. I never enjoy when construction workers eye me up, but it's just something you have to put up with when you live in a city.

1. To look at someone carefully in order to make a judgment about them. I saw the other poker players eyeing me up, trying to figure out if I was any good. Ugh, I hate when you're waiting for an interview, and everyone in the department walks by and eyes you up. Given that she was scowling, I didn't have to eye her up for long to get a sense of her attitude.

2. To look at someone or something in a way that indicates desire, attraction, or sexual interest. You're totally eyeing up that cute blonde over there, aren't you? I've been eyeing up the dessert menu, but everything looks so good. I can't decide what to order. I never enjoy when construction workers eye me up, but it's just something you have to put up with when you live in a city.