Movies
She seems to exist on a diet of fresh air and bonking.
— Andrew · Peter's Friends
Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker mocks someone's lifestyle by suggesting she survives on almost nothing substantial, just breeze and romantic encounters. It's a light, teasing dig at a carefree or flighty personality rather than a literal claim. The phrase turns a vague character sketch into a memorably breezy insult.
Context reviewed