This is the 2844th most frequent Swedish word.
assa
"Assa" is Swedish slang meaning "to assist" or "help."
Here, 'Asså' is used colloquially at the start of the sentence to express hesitation or as an interjection for softening the statement.
Asså, jag tror att jag glömde min nyckel.
So, I think I forgot my key.
In this sentence, 'asså' is used to emphasize and dramatize the speaker's feelings about the intense cold.
Det var så kallt att asså jag nästan frös ihjäl.
It was so cold that, like, I almost froze to death.
Here, 'asså' is used to emphasize or clarify the speaker's perspective on what they consider incorrect.