突っ込む

also 突っこむ · 突込む

1. godan verb, transitive to thrust (something) into (something); to cram; to stuff; to shove
2. godan verb, intransitive to plunge into; to charge into; to rush into; to ram into; to crash into
3. to delve into (a matter); to go into depth; to get to the heart (of something)
4. godan verb, transitive to press (someone) about; to point out (e.g. an inconsistency); to question sharply; to grill
5. to get involved with; to meddle in; to poke one's nose into
6. godan verb, intransitive to riposte; to retort; to quip