An individual who performs less than satisfactorily to the chagrin and sometimes amusement of his or her associates, crew, or squadron.
The preflight crew forgot to leave water bottles on the jet for us? What a bunch of crumplesacks!
An individual who performs less than satisfactorily to the chagrin and sometimes amusement of his or her associates, crew, or squadron.
The preflight crew forgot to leave water bottles on the jet for us? What a bunch of crumplesacks!