(noun)
An insult that is apparently a combination of the wordsbastard and bitch - applying on both sexes. The expression (along with the modern revival of the word frag) originated in the comic book Lobo from DC Comics, in the late 1980s.
"I'll devour ya entrails and thoroughly enjoy it, yafraggin' bastich!"
To share a meal; entree-splitting; salad-sharing; to avoid the fullness factor; two people one dish.
The salmon looks good, would you like to Bartish with me? I'd love a caesar salad but I don't want to be too full--let's Bartish. We were thinking about Bartishing dinner tonight.
<Jeff> dude, if you're away, put up a message, dont be so bartish
<Jeff> i'm gonna laugh my ass off when "Bartaway" has more lines than me on the chat record
<Jeff> how bartish