Slack-baked - definition of slack-baked by The Free Dictionary
Not fully baked or done; half-baked: slack-baked bread.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in classic literature
Toby looked on from a tall bench hard by; one beaming smile, from his broad nut-brown face down to the slack-baked
buckles in his shoes.
Macey, provoked to increased severity, "he isn't come to his right colour yet: he's partly like a slack-baked