A cuss word that is yelled at the top of your lungs when you are frustrated and/or pissed off. It is also a word used by douchebags that cheat on their girlfriends four times and lie to her face about it.
"I cheated on my girlfriend more than four times and now she dumped me...FUCKINGTITTYCOCK!"
<noun> any person who doesn't like their significant other enough to not cheat on them, but does like them enough not to break up with them after cheating. Age does not apply (ie not only freshman can be termed "fucking freshman")