[quote author=Sunny link=topic=45383.msg1335556#msg1335556 date=1305752885]
Whats hotdogging lads?
[/quote]
Showing off needlessly without regard or respect for an opponent, I guess is what I would define it as.
For example, trying to score a lacrosse-style goal like that when you're up 5-0 would constitute hot-dogging in hockey, whereas (IMO at least) it's just a creative and innovative play in a close game.
North American sports (and yes, I realise this was a European player at the World Championships) seem to have a code of conduct whereby you don't intentionally attempt to embarrass an opponent. It's common in blow-out games for teams to stop seriously trying to score more points and considered a serious breech of etiquette to continue to press hard when you're way, way up. In American football it can occasionally be considered disrespectful to keep your first string quarterback in the game during a massive blow-out or to attempt very long field goals instead of punting the ball on 4th down.
If I were trying to give a football example, Ibrahimovic's one-man dribbling-fest goal for Ajax years back, where he cut back and forth past about 6 defenders, comes to mind: If it was a close game, great goal; if it was already 5-0, such play is disrespectful + he should've just laid it off to a teammate at some point instead of embarrassing the opposition.
In hockey in particular, attempts to embarrass a blown-out opponent usually lead to fights and other physical altercations (and you can guarantee that player will be targeted in the next game between the two teams).