Looks like this is a reference to their website Glow Medicine, which sells Latisse, to help grow eyelashes. What a car!

The Rani? Rani means "queen" in sanskrit. Maybe the queen?

Sad cowboy! I wonder why they are sad?

Poo lady ... uhh... The santa nose makes it even more confusing!

Mr. Biggg. Maybe a reference to Sex and the City?

For the bird

Kate Maus?

Betssea. Maybe Betsy? Or Bets Sea?

Si skiing? Yes skiing in Spanish? Or Sister King? Or S is King?

Creamey!

John Galt ... extremely rare British numberplate in America

Joetox... Maybe a play on botox?

PR Levis? Purple vision? No idea!

I Before Duke? 1 Bad Ukulele?

Due and Dez? Or someone named Duendez?

Karbat ... someone's name? Or their car is Batman?

Waive Zinny? Waves New York? Maybe they moved from New York to Virginia?

Zarat 2? Maybe someone's nickname?

2 TOOOT! Weird but funny

Sink's WRX? The car make is a WRX.

Lore Mar? The lore of the sea? Lore of March?

AU WAI? Australian way? Or something in Hawaiin?

Ctrl A, select all!

BN Paris? Someone named BN who likes Paris?

6BBB888? Maybe just a plate that's hard for police to catch!

A stinger? Astinger?

HP Loves Me? I wonder who or what HP is.

T Janks? Someone's name maybe? Or a backwards "Gee, thanks"?

Mai for Lexus? Mah, I'm for Lexus? One of my 4 Lexuses?

My XTTZ? IT's an audi TT, so maybe a reference to the make? It's also an oddly shaped plate, it looks like a British numberplate.

Jeulz. Maybe someone's name? Jewels?

Jate Red XB? Jater Ed cross B? What a terrible, garbage plate!

Mhhhph - Maybe a play on miles per hour? Or a changed spelling of "harrumph"?

I love forges? I love for Javascript?

Tan to tan? What?

Why I lean? Why, Ilene?

Chini Mini?

Echo TS?

12 A World? One to a world? Interesting and weird.

Xapno? What?

Al Kava? What does it mean?

I love Oda. Who is Oda?

Got Skim? Maybe a milk fanatic

R luxury wagon?

Money? Monet 7?

Fetes?

Chongs? Someone's name?

Mee knee? My knee?

Morphic?

Mutate? Weird