An addiction to the vegetable squash and / or its delicious seeds. Squashin' involves eating so much squash that ones' lips begin to blister and peel. Once referred to as a gateway produce, its apparent that squash is clearly now on the level of other produstimulants such as kiwi and cherry tomatoes.
"Hey man, have you noticed that Scott has been acting a bit weird lately, but has never looked so fit?"
"Yeah, that nigga be squashin' like every night. Maybe it's time for an intervention."