Definition of "break-in"

break-in¹

noun
plural break-ins
1. The act of entering a place with the intent to steal or commit some other offense; an instance of breaking and entering.

break-in²

noun
uncountable
1. (used attributively) A novelty record where a question is asked or a comment is raised, and the replies are lyrics from other songs, sampled from the recordings.
  Quotations
  Described by Ken Simpson as a ... novelty record where ‘snippets of current hits’ are inserted into ‘a little melodrama almost set up as a newscast’ (Simpson 2016), the first example of a break-in record that I am aware of is ... The Flying Saucer.
  2021, Justin Morey, “UK Sampling Practice”, in Ewa Mazierska, editor, The Evolution of Electronic Dance Music, page 66