noun
Casual word for intestinal gas; can be used in everyday speech but is somewhat blunt.
彼は思わず屁をしてしまった。
He accidentally let out a fart.
noun
worthless thing; insignificant thing
Figurative use, often in negative constructions like 屁でもない (it's nothing, it's a trifle). Rare as a standalone noun.
See also: 屁でもない
そんなこと、屁でもないよ。
That's nothing at all.
Polite and common word for fart, suitable for most situations. 屁 is more direct and casual.
Native Japanese word. The kanji 屁 is a Chinese character used for its meaning, but the reading へ is of Japanese origin.