1456940 jmdict A [id=2124171]
突っ込む[ichi1,news2,nf31]；突っこむ；突込む
つっこむ[ichi1,news2,nf31]；ツッコむ[nokanji]
[1][v5m,vt]
  to thrust (something) into (something); to cram; to stuff; to shove
[2][v5m,vi]
  to plunge into; to charge into; to rush into; to ram into; to crash into
[3][v5m,vi]
  to delve into (a matter); to go into depth; to get to the heart (of something)
[4][v5m,vt]
  to press (someone) about; to point out (e.g. an inconsistency); to question sharply; to grill
[5][v5m,vt]
  to get involved with; to meddle in; to poke one's nose into
  [see=2016320・首を突っ込む[1,2]]
[6][v5m,vi]
  to riposte; to retort; to quip