Definition of "walk into"

walk into

verb
third-person singular simple present walks into, present participle walking into, simple past and past participle walked into
1. To collide with by walking.
2. To fall into (a trap or other situation), especially one that could have been avoided with more care.
3. (colloquial, archaic) To attack; to assault physically.
4. (colloquial, archaic) To storm at.
5. (colloquial, archaic) To eat heartily of.
  Quotations
  Such a precious loud hymn, Sammy, while the tea was a brewing; such a grace, such eatin’ and drinkin’! I wish you could ha’ seen the shepherd walkin’ into the ham and muffins. I never see such a chap to eat and drink—never.
  1836 March – 1837 October, Charles Dickens, “(please specify the chapter name)”, in The Posthumous Papers of the Pickwick Club, London: Chapman and Hall, […], published 1837