[n] (film) a still inserted and interrupting the action; (broadcasting) a local announcement inserted into a network broadcast
[v] mix in with cutting motions
[v] interrupt a dancing couple in order to take one of them as one's own partner; "Jim always cuts in!"
[v] break into a conversation; "her husband always chimes in, even when he is not involved in the conversation"
[v] drive in front of another vehicle leaving too little space for that vehicle to maneuver comfortably
[v] allow someone to have a share or profit