This is the 8731st most frequent Swedish word.
bultar
"Bultar" translates to "bolts" or "pounds" (depending on context).
In this sentence, 'bultar' is used as a verb meaning 'to pound' or 'knock heavily,' describing someone knocking firmly on a door.
Hon bultar på dörren så att det ekar.
She is pounding on the door such that it echoes.
Here, 'bultar' is employed as a verb meaning 'to beat' or 'to throb,' describing the repeated pulsing action of the heart due to emotions.
Hjärtat bultar av nervositet inför mötet.
The heart is beating from nervousness before the meeting.
In this usage, 'bultarna' as a noun refers to 'bolts,' the fasteners typically found in mechanical assemblies.