expression, noun which may take the genitive case particle 'no'
full of things to poke fun at; full of inconsistencies; absolutely ridiculous
Describes a situation, statement, or work that is so full of flaws, contradictions, or absurdities that it invites mockery or criticism. Often used humorously or critically.
彼の説明は突っ込みどころ満載で、誰も信じなかった。
His explanation was full of holes, and nobody believed it.
あの映画、ストーリーが突っ込みどころ満載だったけど、面白かったよ。
That movie had a plot full of things you could poke fun at, but it was still entertaining.
Compound of 突っ込み (noun form of 突っ込む, 'to retort' or 'point out flaws'), どころ (emphatic suffix indicating a place or point), and 満載 ('fully loaded'). Literally 'fully loaded with points to retort'.