(slang) A dog. / A dog of mixed breed; a mongrel.

(countable) A bulge, an enlarged part. / A distended or swelled condition.

To distend, to swell or extend beyond normal limits; usually used with out.

present participle of pooch

(slang) Made unusable; broken; buggered.

simple past tense and past participle of pooch

plural of pooch

Third-person singular simple present indicative form of screw the pooch

present participle of screw the pooch

(idiomatic) To screw up; to fail in dramatic and ignominious fashion.