They suggest a lazy approach to writing. A lack of a thesaurus and/or a complete absence of a deep pool of metaphors from which to draw upon.
sinfully rich - Who the fuck made it "sinful"?Feel free to add your own in the comments.
extravagant tipples - Nobody below the age of 70 calls them "tipples".
cooked to perfection - As opposed to "cooked with numerous flaws"?!?
meltingly tender - If it's not fondue, don't use it.
pillowy - Have you bitten down on your pillow lately?
-tastic - Completely -tackalicious!
toothsome - Nobody enjoys dental work.
yummy - NO!
heavenly - There's no such place and no such thing.
to die for - Would you really? Really?!?