The state of having an erection induced by sexual interest or activity. Differentiated from a regular erection, a turbo-boner is usually described as being so erect that it causes some minor pain.
"Dude, when she bent over to pic up her book I got a turbo-boner."
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.