To have been conned out of something. To have been convinced by a finneagler to party with something of value. To have been the target of a con man's finneagle.
Man, it happened again. She saunters over, pouts her lips, squeezes her tits together, leans close and whispers in my ears and, bang!, my cash for the night is gone. I've been finneagles again!
To steal in a sophisticated and cunning manner. To convince (much like a confidence man) someone to part with a valuable and, if the finneagler is particularly skillful, to do so believing that it is actually what the finneagled want. Furthermore, to finneagle would be to convince someone that by handing over their valuables, it is helping the finneagler out of a jam or trouble.
It is said of the situation where a person has the bad luck to make contact with his testicles against an undefined surface or object, intentioned or not.
Given the nature of the word, it is more appropriate to design cases where the interaction is made with a moving object, for example, a ball.
Although it is extremely painful for the victim, it tends to be considerably funny to people who witness it.
Today in the baseball game the pitcher took a nutshot; the baseball hit him in the nuts.
Man, I just watched the funniest nutshot video ever.