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spiff something up
to polish and groom something very well; to make something clean and tidy. See if you can spiff this place up a little. I will spiff up the room a little.
Sl. to be dressed in one's finest clothes and well-groomed. He got himself all spiffed out for the wedding reception. Man, are you ever spiffed out!
dressed up, groomed, and polished up nicely; clean and tidy. See if you can get yourself a little spiffed up before we go out to dinner. We wouldn't want the Wilmington-Thorpes to think you only have one suit. The house doesn't have to be too spiffed up for the Franklins. They are used to clutter.
To make attractive, stylish, or up-to-date: The owners spiffed up the old storefront. I found my old bike and spiffed it up.
n. extra money paid to a salesperson to sell certain merchandise aggressively. (see also push money.) The manufacturer supplied a little spiff that even the store manager didn’t know about.
mod. nicely dressed up; decked out. I like to get all spiffed out every now and then.
mod. dressed up, brushed up, and polished up nicely. See if you can get yourself a little spiffed up before we get to the front door. We wouldn’t want the Wilmington-Thorpes to think you only have one suit.