makittaqanngitsoq

[makitːaqaŋːitsoq]

Someone who hasn't mastered the art of rolling over in a kayak.

​Greenlandic, Kalaallisut – 57,000 speakers, Greenland, USA (Alaska), Canada

This word can be broken down as follows:

​makittaq -a           -nngit -soq
makittaq -qar        -nngit -toq        -0
​rising      -have      -not    -intrans  -absolutive.singular
be unable to get upright

​Source: Smilla’s Sense of Snow (1:04:58). 
Credit: Steven Bird, Anthony Woodbury