Ambushed

[Kai]

When [you go] to a party, and there are already [numerous] amounts of members that are not of your [preference].

[Kit]

When someone [unexpectedly] walks in or when you drop [a towel] in a changing room and sees your Bush in all its [glory].

[Renato]

The act of ambushing your friends with a chick on your arm at an clearly [understood] testosterone-only event, such as a [poker] party or [chasing skirts] at a club - esentially, bringing sand to the beach.

[Magaret]

past simple and past participle of ambush