acérquense

third-person plural imperative of acercar combined with se

(transitive) to bring close
(transitive) to zoom in
(reflexive) to approach, to get close, to come
(reflexive) to draw near, to gather around
(reflexive) to become close
(reflexive) to get close to, to come up to, to draw near to, to walk up to, to go over to (+a)
(reflexive) to reach out to (+a)
(reflexive) to close in on (+a)
(intransitive) to assemble