You may have invited them over to eat, but you should have also invited them to leave.
"I appreciate the gesture, but I prefer to eat fish killed in America."
Source: dailypicksandflicks.com
"You're outta your mind if you think Aunt Rebecca went away to a 'retreat.' Just say she went to rehab!"
Source: iruntheinternet.com
"This wine is delicious, by the way! Thanks for letting me have the whole bottle, by the way. By the way, do you have any more wine?"
Source: wormsandgermsblog.com
"Sorry. I thought it would be safe to bring up the divorce by now. I apologize."
Source: epiclol.com