He is surprised, because the poster isn't actually attached to anything

( davew27 beware of penguin, and duck also, Sat 13 Jan 2007, 0:13, archived)

And wonky.

( mutster101 is honour-bound by a sacred trust., Sat 13 Jan 2007, 0:14, archived)

And I always assumed he was English
he is probably thinking, "bejesus how can I enrole I will have to emigrate the man in the hat he tell me to emigrate"
( SexFace has probably nailed your missus., Sat 13 Jan 2007, 0:18, archived)

it's a wall
just very two dimensional-y
(Dazz - In Your Base, Killing Your Dudes since, Sat 13 Jan 2007, 0:19, archived)