look up any word, like fob dot:
 
1.
Not just any sigh, a special sigh... with a slight ahuh at the start and then an annoyed out release of breath(quite long).
Boy A: I got pissed last night and ended up doing weed.

Boy B: Ahuhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

Boy A: Wow, that's a philation there...

Boy B: What?!(confused)
by Hidden Man April 05, 2009
 
2.
A noun to describe a large sigh performed in disapproval of something. It is usually done after someone has said something dumb and/or stupid.
The verb form of this word is to "philate".
After listening to Liam talk about how great Big Brother is, Phil did a philation and hit him in the head.
by True_Story April 05, 2009