Webjan 19, 2024 · read on to learn more about marijuana withdrawal symptoms, a typical marijuana withdrawal timeline, and the best way to quit marijuana for good. Webthe fastest i've detoxed is 8 days. This is after being a heavy dabber, smoker, and eater of weed (all day err'day). I am ~140lbs, with relatively low body fat, and exercise fairly. Webi'm a casual smoker and will most likely be tested for an upcoming job this summer. I've stopped smoking for a bit, but i want to get a detox kit just to be safe.