Experiencing an erection and possibly ejaculation during a fit of intense motivation brought about by things that should not excite the normal human being but does excite those rare few (normally members of the military) who are extremely "moto."
Capt X got a HOOAH boner when he heard his troops start hollering like crazed idiots during a squad run, even though they looked and sounded like... well, crazed idiots.
by bishop323 October 7, 2011