An insult you can use when someone beats you in any soccer drill.
The theory of the origin of this insult can be linked to the usage of your feet in soccer (foot), and the popularity of the many insults revolving around homosexuality (fag). fag + foot = fagfoot.
Cody: "Haha, looks like you couldn't get the ball after that strike of mine."
Bjorn: "Aarrghh, you're like some stupid fagfoot or something."