割り込む

わりこむwarikomu

godan verb · transitive

1. to cut into (a line, conversation, etc.)
2. to force oneself into (e.g. a crowd)
3. to wedge oneself into
4. to squeeze oneself into
5. to intrude on
6. to interrupt
7. to fall below (of stock prices, sales, etc.)
8. to drop below

Study it in Yanamino