: a person who enters, attends, or participates without ticket or invitation.

What does a gate crasher usually do?

Gate crashing, gatecrashing, or party crashing is the act of attending an invitation-only event when not invited. The person doing the gate crashing is known as a gate crasher.

What do you call a gate crasher?

Words related to gate-crasher

infiltrator, invader, raider, thief, trespasser, interloper, burglar, criminal, squatter, snooper, prowler, meddler, nuisance, interrupter, interferer, obtruder.