The synonym/nickname to a type of shoe called The Wellington Boot. This type of shoe is mainly use din rainy/cold weather to keep ones shoes from getting wet and smelly.
(v.) The act of when, while someone else is driving, they purposely accelerate quickly when you are drinking a beverage. Then the beverage spills onto you lap, with the driver laughing hystericly.
Welly is girl who is super attractive. She slays whether she’s wearing a tight dress or sweatpants. She’s usually slim thick and has all the curves in all the right places. She’s also a little bit sassy which makes her that much more attractive
"Did you see that girl welly walking across the call centre like she's all that and a bag of chips"