With two previous posts about the same incorrect tattoo, one would get the hint this does not mean "courage":
http://www.bmeink.com/A80401/high/npgc-newest-tattoo.jpg
Yet this young lady got it done at Skin Gallery in Prairie Du Chien, WI & posted a photo in BME's gallery under the impression that 大過 meant "courage".
大過 【たいか】 (n) serious error; gross mistake; big mistake or shortcoming; (punishment in school, etc.) a major demerit.