verb, to suddenly leave a bar, party, or other social gathering without warning, and frequently under the guise of implied brief absence and prompt return.
2.) Pete told me he was going to have a cigarette, then he samuraied home at 11 p.m.!
person2: yo check out that ninja behind him that he hasn't noticed yet.
person1: woah i totally didnt notice him.
person2: i only noticed him cuz im asian.