ichidan verb, intransitive verb
barge in; gatecrash; show up uninvited
Used when someone arrives or enters without being invited, often in a pushy or unexpected way. Can be used for individuals or groups.
友達が突然家に押し掛けてきた。
My friend barged into my house without warning.
パーティーに押し掛けるのはやめてください。
Please don't gatecrash the party.
ichidan verb, intransitive verb
flock to; crowd into; converge on
Describes a large number of people arriving at a place all at once, often overwhelming it. Common in news reports about crowds.
新発売のスマホを求めて、店に客が押し掛けた。
Customers flocked to the store for the newly released smartphone.
避難所に被災者が押し掛けた。
Disaster victims crowded into the shelter.