also: にぎりっぺ
noun
farting into one's hand; cupping a fart
Slang term for the act of farting into one's cupped hand, often as a prank.
小学生の頃、握り屁をして友達を驚かせた。
When I was in elementary school, I cupped a fart and surprised my friend.
Variant with geminated っ屁, read にぎりっぺ.
Search-only kanji form; the kana っぺ is used instead of っ屁.
Compound of 握り (grip, grasp) and 屁 (fart). The exact origin is uncertain, but it likely arose as a colloquial term for the prank of trapping a fart in one's hand.