-Plural form of the past-tense word "spend" (spent)+(s)
-Spents are the things you have "SPENT" your money on. These things are generally expensive (but not always) or they can be nearly priceless things.
*Girl returns home from shopping*
Dude: "Damn! Girl you look fine in them jeans. Nice spents, I'm digging the new clothes."
Dude 1: "You see Chad's new whip? Shit was expensive with all the custom work I hear."
Dude 2: "Let's go check out Chad's spents I bet I could beat him in a race."
Dude 1: "Haha, no way.