An excuse for homework not being done, that is not as good as "I heard you were pregnant so you wouldn't be in to collect it" or "my father has dysentry and we can't afford toilet paper"
I dropped bacon grease on my 4500 word essay and the dog ate it, except the conclusion, which is a black page.
A classic and not very credible excuse usually used in cartoons and sitcoms to excuse a student's lack of completed homework when they get to school.
"Boy, where is your homework?"; "The dog ate it, sir" "THWACK" "OW!"
Old cliche'd excuse for not having homework done. Generally means "I forgot," "I didn't do it," etc.
Teacher: "Where's your homework, Billy?"
Billy: "The dog ate it."
Worthless excuse, hiding you were to lazy to do what you were supposed to do.
Teacher: "Where's your homework?" Pupil: "The dog ate it"
Explanation for circumcision which doesn't involve a rabbi.
No pretty Palestinian girl, I am not a jew, merely the victim of a cocker spaniel.
the dog ate it is an excuse that you use on your teacher when you didn't do your homework.
it's not very effective
What happened to my cookies the other day.
Damn you Fido, you ate my cookies... someone grab the gun.