A fork of Rural Dictionary
When a caucasian or white person wishes he was, dresses, speaks, and acts like a ghetto Mexican, or "Beaner", hence the term "Weaner". Replacing the "B" in "Beaner" with a "W" for "White".
"There's a couple arguing outside" says Jesse
"What do they look like?" says Leilani
"Weaners." states Jesse
KFed.