Strange tailless feline making a disturbance (6)
I believe the answer is:
rumpus
'a disturbance' is the definition.
(I know that rumpus is a type of disturbance)
'strange tailless feline' is the wordplay.
'strange' becomes 'rum' (synonyms).
'tailless' means to remove the last letter (the tail of the word is removed).
'feline' becomes 'puss' (puss is a kind of feline).
'puss' with its last letter taken off is 'pus'.
'rum'+'pus'='RUMPUS'
'making' acts as a link.
(Other definitions for rumpus that I've seen before include "Making a fuss" , "To-do" , "Noisy, disruptive commotion" , "Harsh rough nature" , "'Commotion, din (6)'" .)