Originally posted by pawnhandlerWell, it literally means "you are welcome", but not something you'd say in reply to "takk". There are several things you could say, for example "bare hyggelig" or "ingen årsak".
Du er velkommen !
NB: This translation has been brought to you by www.freetranslation.com. Had this been an actual translation, it would have been correct. As it is, I'm just hoping it's close!