bólakaf

Etymology
From the synonymous phrase á bólandi kaf. is to submerge, and presumably refers to air bubbles being visible on the surface, as in the figurative phrase.

Noun

 * 1) submerged under deep water; to dive deep; to become fully submerged
 * 2)  to immerse oneself to the fullest with something; to be very occupied with something; to dive deep into a subject
 * 1)  to immerse oneself to the fullest with something; to be very occupied with something; to dive deep into a subject
 * 1)  to immerse oneself to the fullest with something; to be very occupied with something; to dive deep into a subject