1 definition by Lostiecunt

Someone who has absolutely no fucking clue what's going on half the time, or simply doesn't care.
mate 1: Hey mate, you still coming on Friday night?
mate 2: ......what?
mate 1: you know? Friday night?
mate 2: .....huh?
mate 1: fuck, you're such a lostie
by Lostiecunt October 24, 2015
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