Dry pal I will get blitzed with speed (7)
I believe the answer is:
rapidly
'with speed' is the definition.
(thesaurus)
'dry pal i will get blitzed' is the wordplay.
'will get' is a charade indicator (letters next to each other).
'blitzed' indicates anagramming the letters.
'pal'+'i'='pali'
'dry' put after 'pali' is 'palidry'.
'palidry' with letters rearranged gives 'RAPIDLY'.
(Other definitions for rapidly that I've seen before include "With great speed" , "right off the bat" , "Fast" , "Speedily" , "At a great rate" .)