Drink all round the place and fall over (6)
I believe the answer is:
topple
'fall over' is the definition.
(topple can mean to tumble or fall)
'drink all round the place' is the wordplay.
'drink all' becomes 'tope' (synonyms. I am not sure about the 'all' bit.).
'round' means one lot of letters goes inside another.
'the place' becomes 'pl' (abbreviation used in postal addresses).
'tope' going around 'pl' is 'TOPPLE'.
'and' acts as a link.
(Other definitions for topple that I've seen before include "Overthrow or fall headlong" , "(Cause to) tip over" , "dethroned" , "Fall, tumble" , "Remove from power" .)