I just heard of a new one - "security posture."
I have to say also that Microsoft really seems to abuse the word "service." Someone get me a RESTful service for my service-providing microservices, before I break out of the service fabric.

"Leverage synergies" because working together is too adversarial.
serverless - you still do have a server
"I don't have the bandwidth"
Startup
Cloud, ML & AI.
As j mentioned, a few people understand them correctly, but everyone wants to use the terms.
cloud .... g I hate this one. it's actually very clearly defined gg but people use it like a magic spell that solves all your problems gg ...
microservices, is another one ... it came with the cloud.
AI, is a good one too, it's like the cloud ;D a few understands why they need it but everyone wants it :D.
I can go on .... but 3 are enough BS-Bingo for today ;D