slang A businessperson. The phrase refers to the formal attire worn by many businesspeople and is typically used in a mildly derogatory way. Oh boy, what are the suits from the corporate office doing here today? I never thought I'd be a suit and work nine to five in an office, but I actually like my job.
1. To do that which fulfills one's own desires, expectations, or ambitions, especially when failing to consider those of anyone else. It really doesn't matter to me how you arrange the furniture in here, so just suit yourself! Look, Tom and his wife are always going to suit themselves, so don't tie up everything you want to do on this trip with them.
2. A set phrase used in the imperative indicating that the speaker accepts or is indifferent to the other person's decision or preference, especially when it runs contrary to their own desires or expectations. A: "I would just rather not go to a wedding where I won't know anyone." B: "Fine, suit yourself. I'll just go alone." A: "I don't think I'll come to dinner after all." B: "Suit yourself. Should be fun, though."
suit oneself to do something
one's own way; to do something to please oneself. If he doesn't want to do it my way, he can suit himself.
Inf. You decide the way you want it.; Have it your way. Mary: I think I want the red one. Tom: Suit yourself. John (reading the menu): The steak sounds good, but it's hard to pass up the fried chicken. Sally: Suit yourself. I'll have the steak.
Do as one pleases, as in We had expected you, but if you don't want to come, suit yourself. This idiom, which uses suit in the sense of "be agreeable or convenient," is often put as an imperative. [Late 1800s]
1 do exactly what you like: I choose my assignments to suit myself.
2 usually used in orders to tell somebody to do what they want, even though it might annoy you: ‘I don’t want anything to eat, I’m on a diet.’ ‘All right, suit yourself!’
n. a businessman or businesswoman; someone who is in charge. A couple of suits checked into a working-class hotel and caused some eyebrows to raise.