To send email from another user's account, notifying the world that this person has broken computer security policy by walking away from their computer and left it unlocked.
"Erin must have gotten sheeped! I just got an email from her saying she loved sheep and wanted to find some sailors to share them with!!"
Usually used in the game World Of Warcraft when a player or mob becomes afflicted by the Mage spell "Polymorph" turning the player into a grass eating, white, fluffy, cuddly sheep.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."