Amusing type could be derisive when crossing street (6)
I believe the answer is:
jester
'amusing type' is the definition.
The definition and answer can be both people as well as being singular nouns.
Perhaps they are linked in a way I don't understand?
'be derisive when crossing street' is the wordplay.
'be derisive' becomes 'jeer'.
'when crossing' indicates putting letters inside.
'street' becomes 'st' (abbreviation).
'jeer' going around 'st' is 'JESTER'.
'could' is the link.
Can you help me to learn more?
(Other definitions for jester that I've seen before include "his work's funny" , "Comic" , "Court clown" , "Clown employed to entertain a ruler" , "Court fool" .)