MCROMCN
No clue. Micro Machine? It was on a standard sedan.
OOOOOPZ. And NU TSLA.
And then some name stamps: ALLEN WU and JAK BRWN, and maybe also MOLY BEE.
I’m trying to parse that as “something cromicon”. I’m not sure “cromicon” (KROM ih Con) is a real word stem, but I have a vague recollection of reading it in an SF story once.
I’m wanting to almost remember “encromicon”. If that really is a real memory of a real word, then subbing an m for the n would a plausible respelling for a custom plate once somebody else took the correct spelling.
Micro Machine was my first thought, too, but it would indeed make more sense on a Mini or Fiat 500. Maybe the owner used to have a car like that and just kept the old plate when they got a new car? Or maybe they’re just a fan of the toys.
SKULPTR, a NY plate I saw last week.
Seen up in Wisconsin this weekend:
NEG SP: probably short for “negative space,” which suggests to me an artist or graphic designer.
COWDEO: undoubtedly a reference to cattle and/or rodeos.
Saw a bunch on my way to the office this morning:
- EVGOBYE on a Rivian.
- ROVERR1 on a Range Rover. That’s not very creative. I’m not sure if R1 means anything or if it was just tacked on to make make the plate unique.
- LV
BUZZ on a VW ID.Buzz. I wonder if that’s meant to be “The Love Buzz”. - USA CZE on a Subaru Outback. USA Cruise?
- JASAMI on a Cadillac crossover. I assume those are the initials or nicknames of the couple that owns it. And I cant help but think that while a license plate isn’t as permanent as a tattoo, imagine if they broke up and one of them was stuck with that plate.
HIG8 DRV — Highgate Drive is a local street. Not very imaginative
To me that looks like USA Czech Republic (CZE is the ISO code for it). Maybe they are a naturalized Czech or their partner/family is Czech.
AMI is french for friend so it could something like I love my friend? J’{verb} in french is I…something, but that is just what my francophone brain jumped to.
//i\\
CZE is the standardized abbreviation for the Czech Republic/Czechia, so it might belong to a Czech-American.
Edit: beaten by @icon by seconds! 
I initially interpreted this as “My EV will leave you in my dust as you wave goodbye”, but it just dawned on me that there’s a charging network called EVgo. So maybe it’s a message that they’re boycotting EVgo? I still assume my initial thought was probably correct, but that’s another possible interpretation.
Ah, I bet that’s it. I also thought it could be “craze” or “crazy”, but I think you and @kenobi_65 are probably right.
Is Ami also a common name in French? I knew a girl in high school named Ami, IIRC she had an American father and French mother and so she got a French name. Americans mostly mispronounced it as “Amy”.
2DAMOUN
To the moon?
FLN GRVY on a classic Saturn SC2
A part of my brain wants to say FLYIN GRAVY.
Added — CHEROO. Chim chiminee?
Feelin’ groovy!
Maybe you are, but personally, I’m feelin’ gravy! Mmm, gravy.
Nothing wrong with gravy! 
LOVE LIF Not sure if they “love life” but that plate was already taken or they love someone with the initials LIF
TRIP C24
Travel?
Long, long ago there was Wavy Gravy.* Maybe Flyin’ Gravy is his offspring.
*I had a real Abe Vigoda moment when I went to Wiki.
And tonight I saw:
SEINS on a VW Golf R (the high performance Golf). I have no idea what that means, but it sounds vaguely German, so maybe something to do with the car?
BAKE999 on some forgettable crossover. 999 is the emergency number in the UK, so “baking emergency”? I think I’ve seen exactly one episode of The Great British Baking Show, but maybe it’s a reference to that?