Lost for words as we crashed lorry (3-6)
(Other definitions for awe-struck that I've seen before include "Showing a feeling of wonder and dread" , "Overcome by wonder" , "Suck water (anag) - completely astonished" , "Filled with amazement" , "Most impressed" .)
'lost for words' is the definition.
(I've seen this before)
'as we crashed lorry' is the wordplay.
'crashed' indicates an anagram.
'lorry' becomes 'truck' (I've seen this before).
'as'+'we'='aswe'
'aswe' is an anagram of 'awes'.
'awes'+'truck'='AWESTRUCK'
(Other definitions for awestruck that I've seen before include "Intimidated" , "Filled with amazement" , "Shocked" , "Suck water (anag) - completely astonished" , "Showing a feeling of wonder and dread" .)