Anno Domini, Latin for "in the year of our lord". AD marks the years after the birth of Jesus Christ.

For politically correct reasons, AD is being replaced by CE.

filipino: meaning younger sibling/friend.

Annoyances

Ads are the worst. some say they are the life sucking beast that live in youtube vids, others say they are the making of the devil himself, and i just think there anoying

Simply the use of this word (abbreviation) is for those that live there life All Day Every Day to the fullest. Not leaving one second to waste. Living without regrets and at the same time making the world a better place all day every day. Also can be used for letting people know that you love something so much they can legitimately deal with it all day every day. ADED. Lastly, it's commonly used in Facebook status', as a quick way to inform people of there strong love for something.

a boy who fucks everyone

Absolute Dick Syndrome.

A problem that only applies to the male species usually in the teenage years, passes with gaining of maturity, and common sense.

Symptoms include:
Treating women badly
Making sexist and stupidly inappropriate jokes
Cockiness
Lots of references to size of his and others penises

And behaving like he believes that he is king of the world and gods gift to women.

WARNING: Treatment has not yet been discovered so don't bother the hospitals, the is nothing you can do for now.