Letters that make shack up
s, a, k, p, c, h, u are letters that make 'shack up'
s, a, k, p, c, h, u are letters that make 'shack up'
1 possible definitions for 'shack up'
Under this definition, shack up is a verb and has the following properties:
cohabit, live together have the same meaning as 'shack up'
miscegenate is a type of shack up.
cohabitation is a derivative of shack up.