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