The most desirable form of cooked noodles. Just firm, not soft.
Also:
A wang that's not hard, but not soft; just a bit firm.
Adam: Trevor do you like al dente?
Trevor: No!
Jon: Haha Trevor likes al dente!
Adam: Hahaha he so does.
Trevor: Al dente is revolting!
Adam/Jon: Trevor loves al dente!
Style of cooking red meat, particularly steak, in which it is burnt and overcooked, draining it of flavor and making it tough and chewy. Can be used as a nice way of saying burnt/overcooked, as in example.
(Restaurant Customer after recieving over cooked steak) Excuse me sir, I asked for this cooked medium rare, not well done.