deal (one) in

deal (one) in

To include one in something. Often used in the imperative "deal me in." The phrase originated in card games, in which cards are distributed among the players by "dealing" them. If you guys are playing poker in there, deal me in! Bobby really wants to be involved in this project, so deal him in too.
See also: deal
Farlex Dictionary of Idioms.

deal in something

to buy and sell something. My uncle is a stockbroker. He deals in stocks and bonds. My aunt deals in antiques.
See also: deal
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

deal in

1. Also, deal with. Be occupied or concerned with, as in Jim deals in generalities, or This book deals with idioms. The first term dates from the late 1500s, the variant from about 1300.
2. Do business or trade in something, as in They deal in diamonds. [Late 1500s] Also see deal with.
3. deal someone in. Also, deal one a hand. Include someone, give someone a share, as in I hope they'll deal me in on this new enterprise. This usage comes from card games, where to deal has meant "to distribute cards" since the 16th century. [Early 1900s]
See also: deal
The American Heritage® Dictionary of Idioms by Christine Ammer.

deal in

v.
1. To include someone in a card game by giving that player cards: Deal me in—I'm just getting up to get some potato chips. The dealer dealt in all the players who sat at the table.
2. To be in some particular line of work or pursuit: She deals in computer hardware. The gangster dealt in stolen goods.
See also: deal
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • count in
  • keep at
  • keep at (someone or something)
  • count (one) in on (something)
  • carry on with (something)
  • all the best
  • cough it up
  • Cough it up!
  • calm down
  • chill out