A census-designated place in Calaveras County, California, United States.

(US) An airline's policy of putting a passenger on the next available flight without a penalty if they arrive too late for the scheduled flight.

plural of flat tire rule

(idiomatic) To knock someone down; to hit someone so they fall to the floor.

(gambling) A loaded die fashioned so that the numbers 1 and 6 come up more frequently than others.

plural of six-ace flat

Used other than figuratively or idiomatically: see flat, on, back. / (idiomatic) without recourse; helpless

simple past tense of fall flat on one's face

Any beetle of the family Laemophloeidae, known for their rounded, flattened boddies.

Third-person singular simple present indicative form of fall flat on one's face