verb. To commit an act of insurmountable, epic proportions that will be remembered by all except for the person who committed the act.
Often recalled by females regarding particular acts of pleasure.
Did you see that guy hackey-sack that falling beer bottle back up to his hand? He is SOOOOO drunk, he TOTALLY Leifed it!
She said, "I got so Leifed last night my knees still tingle!"