This is the 7833rd most frequent Polish word.
merkiem
"Merkiem" is not a standard Polish word; it may be slang or a typo.
The word 'merkiem' is a colloquial abbreviation for 'Mercedes', referring to the car used.
Jechałem merkiem na wakacje i był bardzo wygodny.
I drove the Merc on vacation, and it was very comfortable.
Here, 'merkiem' is again a shorthand for 'Mercedes', used to refer to the car model casually.
Podjechał do nas merkiem i zaproponował podwiezienie.
He approached us with a Merc and offered a ride.
In this sentence, 'merkiem' signifies a desired car, specifically a Mercedes, showing aspiration.