If you have to ask, you're streets behind.

Pierce: Ay-bed, your social skills aren't exactly "streets ahead." Know what I mean?

Abed: [thinks] I don't.

Jeff: You're not alone in this case. Pierce, stop trying to coin the phrase "streets ahead."

Pierce: Trying? Coined and minted! Been there, coined that! "Streets ahead" is verbal... wildfire!

Annie: Does it just mean "cool," or is it supposed to be like, "miles ahead"?

Pierce: If you have to ask, you're streets behind.

Any Community watchers remember the episode where Pierce tried to coin "streets ahead" as slang. Which rapidly spread throughout the campus.

However, Rose was watching Help (that great old Beatles movie) lately and was stunned that one of the electricians used "streets ahead" as slang. Yes, way back in 1965 in England.

Turns out it is actual British slang.

In looking around, Tom found this great site, Not One Off Britishisms, which tells us all about it.

Who knew we were all streets behind on this? No one. That's who.