Either a) Finding inexpensive alternatives for everything. Or, B) Manipulating the system, or other people to get the best bang for your buck.
a) Is that two six packs? One of heineken and one of Amberbock? What the hell man just get a 30 pack of Budweiser! Wetternomics
a) You want some nachos man? (Other) Dude, we can't we don't have the ingredients. No dude, just grab some lays and mustard. i call them poor-man nachos. Wetternomics baby.
b) Hey man, want to split a sandwich? I made the last one so you make it this time. (Other) But, I made it last time and your gonna eat it all. It's fine man, just make it and we'll see how it goes. Wetternomics
A pickup line, usually used by males from the 90's with a cool Mexican mustache and a good hentai girl moan imitation. They usually hit on young people's middle-aged moms (just like Katsura), regardless of how the old woman looks.
Joe: Yo, are you Jojoe's Mom?
Jojoe's Mom: Why?
Joe: Cause you smell wetter than an otter's pocket *very cool wink*
Jojoe's Mom: Omg marry me now