This is the 8786th most frequent Dutch word.
jam
Jam (Dutch): A sweet spread made from fruit and sugar.
In this sentence, 'jam' refers to the fruit preserve or spread.
Op mijn boterham smeer ik aardbeienjam.
On my slice of bread, I spread strawberry jam.
Here, 'jam' is used metaphorically, as slang for 'shame', to express regret.
Het is echt een grote jam dat het evenement niet doorgaat.
It is a real shame that the event will not take place.
In this context, 'jam' denotes a traffic congestion or obstruction.