Acutely embarrassing and stupidly corny right? Ew! (12)
I believe the answer is:
cringeworthy
'acutely embarrassing' is the definition.
(I've seen this before)
'stupidly corny right? ew' is the wordplay.
'stupidly' indicates anagramming the letters (a stupid ordering of the letters).
'corny'+'right'+'ew'='cornyrightew'
'cornyrightew' with letters rearranged gives 'CRINGEWORTHY'.
'and' is the link.
(Other definitions for cringeworthy that I've seen before include "Causing embarrassment" , "Severely embarrassing" , "Acutely embarrassing" .)