Spill into something - Idioms by The Free Dictionary
spill into (redirected from spill into something)
spill (out) into something and spill (over) into something
to be so great in number or volume as to expand into another area. The crowd spilled out into the street. The well-wishers spilled over into the neighbor's yard.
References in periodicals archive
Both teams have their own personalities and sometimes it can get a bit feisty but there is nothing wrong with that as long as it doesn't spill into something