kink

nouns

a painful muscle spasm especially in the neck or back (`rick' and `wrick' are British)
a sharp bend in a line produced when a line having a loop is pulled tight
a person with unusual sexual tastes
is derived from
is a type of (narrower)
a human being
"there was too much for one person to do"
an eccentric idea
is derived from
is a type of (narrower)
the content of cognition; the main thing you are thinking about
"it was not a good idea"; "the thought never entered my mind"
a difficulty or flaw in a plan or operation
"there are still a few kinks to iron out"
is a type of (narrower)
a factor causing trouble in achieving a positive result or tending to produce a negative result
"serious difficulties were encountered in obtaining a pure reagent"

verbs

curl tightly
"crimp hair"
form a curl, curve, or kink
"the cigar smoke curled up at the ceiling"