When you get a boner, referring to both hands on the clock pointing up when it is noon
The cock strikes noon when one watches porn or with their significant other
The act of showing your frontal genitals to a person or persons. The opposite of mooning, by showing your rear end.
I went nooning last night and showed group of people outside a bar my penis.
Used to describe either an Antipodean chancer - someone who is full of BS when trying to sell a product or service - Or used to describe the act of screwing someone (e.g. a member of staff) over on the price of a product or service.
He nooningsed me yesterday, he told me it should be done for a low price, but he has no idea whats actually involved in providing the product or service. I've been fucked over. Or "He's such a noonings".