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1. a character from fire emblem: fates / if, child of xander / marx.

2. a pitiful virgin with no knowledge of sex. typically has an ugly mullet.
1. "siegbert is one of my favorite characters!"
2. "whoa, billy is a real siegbert, isn't he? he doesn't even know any sex positions."
by cati(tty) August 18, 2017
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