This is the 2132nd most frequent German word.
anhängern
"Anhängern" is not a standard German word; it may be a misspelling or misinterpretation.
Here, 'Anhänger' refers to a small trailer pulled by a vehicle.
Das Auto zieht einen kleinen Anhänger.
The car is towing a small trailer.
Here, 'anhänger' refers to a physical trailer for carrying items with a bike.
Ich habe ein neues Fahrradanhänger gekauft.
I bought a new bicycle trailer.
In this context, 'anhängern' is used figuratively to mean following or supporting enthusiastically.