DOne that. Never do bike maintenance at 2am after 6 beers. Rotation speed was minimal too.
Thankfully the kitchen floor is Lino, so could just mop up the blood.
Took about 2 weeks (and daily trimming) for the end bit of nail to move enough to MTFU and rip it off (actually, it just snagged on something, so no MTFUing beforehand). Then a few months for the main bit to get back to kind of normal.