A fugitive Colorado school secretary accused of raping a 13-year-old boy had allegedly bragged that the victim’s manhood was bigger than her own husband’s, cops said. Brenda Meza, 34, made the horrifying comparison during her alleged months-long illicit tryst with the Franklin Middle School 8th grader, according to an arrest affidavit obtained by The Post.  Meza also allegedly gushed that she felt as if she’d known the youngster in another life, the arrest filing states. The boy told cops he