Not in the slightest. Uttering those words is basically a challenge to all who hear them. All you're doing is taking him upon his challenge. GO FOR IT!
That is not mean. That is a reality check. The entertainment factor of watching him eat it is just a bonus, right?
nah , i do it at work all the time , like black fatilli said . the sheer entertainment of watching the guys cringe, cough , gag , is priceless !