crab in a sack
n.— «They climbed on top of each other, and when the sack was opened, there were always a few dead ones, as the bigger and stronger ones crawled on the smaller ones, sometimes killing them. Hence the phrase �crabs inna sack.� When someone was ruthless and selfish, he was referred to as �crabs inna sack.�» —“A nostalgic glance backward” by Lydia Humes The Reporter (Belize City, Belize) July 7, 2006. (source: Double-Tongued Dictionary)
Further reading
The word filibuster has a long and colorful history, going back to the days when pirates roamed the high seas. Today it refers to hijacking a piece of legislation. Plus, the language of yoga teachers: When doing a guided meditation, you may hear...
Understanding the varieties of conversational styles can mean the difference between feeling you’re understood and being insulted. “High-involvement” speakers interrupt or talk along with someone else to signal their enthusiasm...