overcookie

a cookie that has been baked for too long.
the opposite of an undercookie.

hannah: This looks to be a delicious cookie!

seth: Don't be fooled! It's an overcookie! The bottom is burnt!

by squallshaper March 14, 2008

undercookie

a cookie that has not been sufficiently baked.

seth: You should take the cookies out.

hannah: No way, man! They are liquid on top! Them bitches be undercookies!

by squallshaper March 14, 2008