Almost mad during getaway - a mad prank (8)
I believe the answer is:
escapade
'a mad prank' is the definition.
'escapade' can be an answer for 'prank' (I've seen this before). I'm not certain of the 'a mad' bit.
'almost mad during getaway' is the wordplay.
'almost' means to remove the first letter.
'during' means one lot of letters goes inside another.
'getaway' becomes 'escape' (I've seen this in another clue).
'mad' with its first letter removed is 'ad'.
'ad' put into 'escape' is 'ESCAPADE'.
Can you help me to learn more?
(Other definitions for escapade that I've seen before include "Daring adventure" , "Adventure, lark" , "Adventurous incident" , "Mischievous romp" , "Exciting, perhaps mischievous, adventure" .)