This is when you are forcing sexual intercourse from some nice young lady and reach orgasm due to her pleading for you to stop.
When she started to scream for the police, I got a killer nogasm.
Dude, what was the name of that Korean website? I gotta get my nogasm on.
The inability of a person to reach a sexual climax.
I was really trying my best to satisfy her but I wasn't successful - she had a nogasm.