pac-manning
Pulling your pants up just enough to hide your boner while trying not to get caught by your crush, only to later be caught with a full-blown nut job in the same pants.
I Pac-Manned through math class like I was trying to get a date with the teacher.
My friend Pac-Manned during lunch like he was trying to impress the new kid.
I Pac-Manned during gym class and got caught by the principal.