chip in

1 to make a donation as part of a group effort <we all chipped in and bought flowers for the secretaries> Synonyms contribute, kick in, pitch inRelated Words bestow, donate, give, present; award, confer, dole (out), endow; afford, furnish, provide

2 chiefly British  to cause a disruption in a conversation or discussion <forgive me in chipping in like this, but I think I know a better way to get to Trafalgar Square> Synonyms break in, chime in, interrupt [chiefly British], cut in, interpose, intrudeRelated Words barge (in), bother, horn in; add, contribute, put in