Flog one's dolphin vulgar slang
A vulgar slang used to refer to male masturbation
To masturbate
Used to describe touching or caressing one's genitals.
The phrase starts with a verb, therefore, it needs to conjugate within the sentence.
1.Someone viewed with contempt
2. Very bad
1. He dropped out of college and became a crumb bum.
2. The food here is crumb bum! I will never come back to this restaurant once again.