To be said to someone after they do something dumb; implying that they need a valence electron to become stable and not be an idiot.
by TheBenniestOfShapiros May 15, 2019
Get the Get a full outer shellmug. Performing a dutch oven, but while under an electric blanket.
Casey totally green shelled that guy she brought over the other night, so now he won't text her back.
by DrPepper09 January 7, 2017
Get the Green Shellmug. by Redryder March 21, 2017
Get the john shellmug. by Cody5050 January 10, 2021
Get the 185mm shellmug. by jalooper December 2, 2020
Get the Shellsmug. To snap, or instantly be angered insuch short of a time,later on forgetting what it's about and the damage set in before you know what is going on.
Hey dude, that was the same guy that crack-shelled yesterday and now he's acting like nothing happened at all.
by DakineWordGuru May 10, 2011
Get the Crack-shelledmug. 