To become apparent in an unwelcome way, to be forcibly imposed; to jut in, to intrude (on or into).
To impose (oneself) on others; to cut in.
To proffer (something) by force; to impose (something) on someone or into some area.
To swagger; to make an ostentatious show.
One who vamps; one who creates or repairs by piecing old things together; a cobbler.