shain't

Replacement for should not or shall not to drive a pedant who is easily offended by ain't absolutely batshit crazy.
Nerd: "ain't" is not a word in the English language.
Dude: Well, I guess we shain't use that one no more then.

Exec: We need this done in 10 business days.
Staff: Well, I guess you better stop tossing the salad and approve the project then, shain't cha?
by milleym June 29, 2011
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