An obviously fake alias someone comes up with in a panic
"What was his name?"
"Um, Carl Totes".
That is such an obviously fake name. You just pulled a Jim Flammera
Saying you're not hungry then ordering a double Baconator at Wendy's
"I probably won't order anything. (Two minutes later at drive up) I'll take a double baconator." Dude...you are pulling an Auntie K