fat chilling 

To be fat and chill all day at home

Im just going to fat chilling all day tomorrow

fat chilling by RandomOnTheInterent254 January 21, 2020

Chilling the fat 

A combination of chilling out and chewing the fat. e.g. a relaxed conversation

Hey Phil what are you up to ? Not much Jared just chilling the fat with Mick

Chilling the fat by Mick and Phils crane hire December 7, 2016

chillin fat

One of two meanings:
1. To smoke a fatty and just chill
2. Just to kick it and hang low, with or without weed

Dude school sucked sooooo much ass today, I'm just gonna go home an chill fat all day

Brah: "whaddup dude, u busy this weekend?"
Dude: "nah brah I can kick it what u want to do?"
Brah: "u know just party and be chillin fat"
Dude: "fo sho"

chillin fat by sixpackofnattyandichill January 9, 2011

Chillin' fat 

Really intense chillin' that usually invovles food

Person 1: What are you doing this weekend?

Person 2: Just chillin' fat

Chillin' fat by Thetorax April 16, 2015