throw in
verb
threw in; thrown in; throwing in; throws in
1
: to add as a gratuity or supplement
2
: to introduce or interject in the course of something : contribute
They throw in some … sound effects on several songs …—
Tom Phillips
4
: engage
throw in the clutch
: to enter into association or partnership : join
… agrees to throw in with a crooked ex-cop …—
Newsweek
see also:
Love words? Need even more definitions?
Merriam-Webster unabridged



