A "buzz phrase" is a popular or trendy phrase that people frequently use or hear. It is often used to describe a specific idea, concept, or trend that is gaining a lot of attention and discussion. Full definition
«Functional Training» has been a hot buzz phrase in the fitness industry for more than the past decade. (weckmethod.com)
Two buzz phrases of fairly long standing in libraries are knowledge management and competitive intelligence. (slaw.ca)
This new buzz phrase has been floating around the internet for a while and is now beginning to make its way into mainstream media. (scientificamerican.com)