When you are told by someone that something amazing just happened, but they won'
t tell you. You know how when guys are just about to get it in, they get all excited?
well, if they
don'
t get it in, and they're still excited, they get blue balls. or it just hurts them a lot, because they can'
t release.
Mentally blue balled means that you got all excited and then didn'
t complete with the exciting thing/action.
Jane: OMGAH,
Jenny! You'll NEVER guess who's transferring into our
school next week. You are gonna FREAK the fuck out! OMG i could barely believe it myself.
Jenny: Tell me! Tell me!
Jane: Nah,
chill.
Jenny: ...
(Jenny is mentally blue balled)