This is the 11366th most frequent Swedish word.
nallar
"Teddy bears."
Here, 'nallar' refers to 'teddy bears', commonly used to denote stuffed toy bears often owned by children.
Barnen leker med sina nallar.
The children are playing with their teddy bears.
In this context, 'nallar' means 'to nick' or 'to take sneakily.', used colloquially to imply informal stealing.
Han nallar alltid lite godis från skålen när ingen ser.
He always nicks some candy from the bowl when no one is watching.
Here, 'nallar' is a casual word for 'bears,' referring to the animal.