Crimping is joining two or more pieces of metal or other ductile material by deforming one or both of them to hold the other. The bend or deformity is called the crimp.
What is a crimp in slang?
Crimp is also an old slang term referring to a person who “persuades” (swindles) people into naval or military service. It can also be used as a verb meaning to do so. It has fallen out of use, hopefully because everyone agrees it's best to keep the crimping to hair and pie crusts.
WHAT IS A crimp person?
: a person who entraps or forces men into shipping as sailors or into enlisting in an army or navy.