ne pas se bousculer au portillon

Etymology
lit. 'not to jostle at the gate'.

Verb

 * 1)  not to line up, not to queue up, not to crowd in, not to fall over each other (with the implied meaning that something meets with little success)

Usage notes

 * Chiefly used in the negative.
 * Often used as an impersonal verb: ça ne se bouscule pas au portillon, "people are not exactly lining up".