Act of attending a grocery store to obtain food and other necessary supplies without attending to any basic hygiene such as a shower, deodorant, washing your face or anything else one would normally do prior to going out in public and handling errands.
We went grossery shopping early Saturday morning to beat the crowds but we were totally scummy because we just got out of bed and headed down there.
Traditionally meaning "a fine, filmy substance consisting of cobwebs spun by small spiders, which is seen especially in autumn." Though it is used by a select few as an alternate term for goddamnit, following an autocorrect fail.