A decade barrier is when you are so broke that you can't afford a car that was made in the same decade.
Me: I just bought a 2017 Chevy Cruze. I haven't bought a car since 2006!
Them: That's great - you broke the decade barrier.
Them: That's great - you broke the decade barrier.
by Siouxsie Supertramp September 5, 2020