An ogle as a noun is the look someone gives when they stare in a way that shows desire or strong interest. It is often rude or unwanted.
He gave her an ogle across the room.
The ogle from the crowd was hard to ignore.
To ogle can also mean to look at something you like or find beautiful. This use shows strong interest or admiration but is less rude than when used for people.
He ogled the beautiful painting in the gallery.
They ogled the new sports car in the shop.
Ogle can sometimes mean to look at something quickly or in secret because you are curious. This is a lighter meaning and less rude.
She ogled at the holiday pictures quietly.
They ogled through the window to see inside.
In some cases, to ogle means to look carefully and with strong attention at something big or impressive. This meaning shows focus and wonder.
Tourists ogled the tall mountain with amazement.
He ogled the huge building under the sky.
Ogle can also mean to look at something you like very much, especially in informal talk. It means you are interested or excited to see it.
He ogled the new phone at the shop.
She ogled the latest shoes online.