How about adding a few oxymorons?
No Loitering signs at the park..(Harmon Park)
HOT water heater
Found missing
Good grief
New classic
"Well, to tell you the truth".---Does that mean you were not telling the truth?.
"Tebowing"--That's annoying now.
And one for the funny sounding "walkie talkie"--What if your running? runnie talkie? or texting? walkie textie?