enteuthant (adj) annoying
(source: Jersey Weekly Post 23/9/1916)
from verb: enteuther – to dirty, to stain

s’prité (adj) intelligent, clever
(source: Jersey Weekly Post 23/9/1916)
variant of esprité

sus toutes les couôtuthes (adv) all over, thoroughly
(source: Jersey Weekly Post 16/9/1916)
from couôtuthes in the sense of the lines of direction of hairs on a cow