drop into

drop in(to) (something)

1. To let go of something so that it enters something else. In this usage, a noun or pronoun can be used between "drop" and "in" or "into." Oh, I just dropped my donation into the box outside.
2. To fall into something. Sean positioned himself so that the fly ball just dropped into his glove.
See also: drop
Farlex Dictionary of Idioms.

drop someone or something into something

 and drop someone or something in
to let someone or something fall into something. He dropped a quarter into the slot and waited for something to happen. He dropped in a quarter. Johnny Green dropped a cat into a well He went to the well and dropped a coin in.
See also: drop
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • add in
  • all right
  • a/the feel of (something)
  • (I) wouldn't (do something) if I were you
  • a straw will show which way the wind blows
  • a crack at (someone or something)
  • (you) wanna make something of it?
  • all for the best
  • a thing of the past
  • a slew of (something)
References in periodicals archive
Michelle Fine, "Why Urban Adolescents Drop into and out of Public High School," in Gary Natriello (ed.), School Dropouts: Patterns and Policies (New York, 1987), pp.
Creating the Dropout: An Institutional and Social History of School Failure
#1 must drop into the lane to provide assistance where needed, while continuing to match up with his man and watching where the offensive men are spotting up for the skip pass.
Winning with a 3-2 match-up zone