also: しゃんしゃんたいかい
rigged convention; prearranged meeting
Refers to a convention or meeting where the outcome is decided in advance, often with a sense of sham proceedings. The term derives from the onomatopoeia しゃんしゃん, suggesting the clapping of hands in a perfunctory or orchestrated manner.
See also: しゃんしゃん
The shareholders' meeting was a rigged convention, ending quickly without any questions.
Standard katakana-kanji spelling.
Hiragana variant; less common but attested.
From しゃんしゃん (onomatopoeia for clapping or a bell ringing) + 大会 (convention). The clapping sound suggests a perfunctory, orchestrated approval process.