The yellow fox.
You know you're a furfag if you press Alt+F4 everytime someone suddenly opens your rooms door.
You killed me with these three!You know you're a Furfag when you get up in the morning and dump a cup of sperm into your wheaties from the farm nearby instead of milk.
You know you're a Furfag when you pop a gigantic boner at the sound of the word "knot".
You know you're a furfag when you can't spell You're.
You know you're a furfag when people see you drawing, ask what it is, and you quickly close the book and say "Oh heh... just doodling..." 'cause they're not ready to see the furry goodness just yet.