Aggressive delivery man outside door... (7)
I believe the answer is:
bouncer
'aggressive delivery' is the definition.
'bouncer' can be an answer for 'delivery' (I've seen this before). I am unsure of the 'aggressive' bit.
'man outside door' is the wordplay.
I cannot quite see how this works, but
'man' could be 'bo' and 'bo' is present in the answer.
This may be the basis of clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for bouncer that I've seen before include "Nightclub security doorman" , "cheque that's worthless?" , "Club doorman" , "Club guard; short ball" , "Club employee" .)