(Britain, Commonwealth of Nations) To praise oneself.

present participle of blow someone's brains out

present participle of blow it out one's ass

present participle of blow up in one's face

(slang) To talk in a boastful or overweening manner.

(automotive, engineering) A reference to the Otto cycle and four-stroke internal combustion engines.

One doesn't require an expert to tell one what one already knows.

(Canada, US, slang, vulgar) Alternative form of blow smoke

(obsolete) A rural woman; a country wench. / (obsolete, by extension) A hot-tempered, unjustifiably angry woman, usually stereotyped as a red-haired Irish maidservant.

Having a reddish, coarse complexion, especially with a pudgy face. / (chiefly of a woman's hair or dress) Slovenly or unkempt, in the manner of a beggar or slattern. / Unrefined, countrified.