Flapdoodle American informal noun
Used to indicate nonsense
Many young people are watching flapdoodle on social media .
Bill always talks flapdoodle, and I don't want to waste my time.
Used to refer to a fool
He is a flapdoodle. I don't want to talk to him.
Used to describe someone who is naive, gullible, inexperienced, easily fooled, ignorant, unsophisticated, etc.
To say, or believe something or someone that seems completely crazy, delusional, or stupid
someone who is stupid or crazy
Extremely ugly; unlovely; unattractive
I hate frogs because they’re as ugly as sin.