crowding in on

Verb

crowd in on (third-person singular simple present crowds in on, present participle crowding in on, simple past and past participle crowded in on)

1. (idiomatic, transitive) To join when not wanted; to force one's way into a situation where one is unwelcome.
   • These objects [on the sun's surface], some of which were as large in superficial area as all Europe, and some even as the surface of the whole earth, were found to shoot in thin streams across the spots, bringing them over in well-defined streams or comparative lines,[…]; sometimes by crowding in...1863, “Astronomy and Meteorology [Some Peculiar Features of the Sun’s Surface]”, in David A[mes] Wells, editor, Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art for 1863....

   Synonyms:

   interfere, intrude, muscle in on