The affected pratice of setting one's features into a certain fixed pose that supposedly reflects the complex inner world of the wearer. Usually committed during the lighting of cigarettes and often consists of an inquisitively furrowed brow, puckered lips, and an overall air of being interesting. Fails to mask the utter vacuity of the face puller who risks inviting a torrent of scorn and verbal abuse down upon his head should his ruse be noticed for what it essentially is: a transparent effort to attract the admiration of peers and possible sexual partners without recourse to a sense of humour or a personality.
"Why's he looking like he's got the sun in his eyes?"
"He's a wanker with a designer expression."