Oddly, Raid insect repellent is something the chippy uses (6)
I believe the answer is:
ripsaw
'oddly raid' is the definition.
Although both the answer and definition are singular nouns, I can't see how one could define the other.
I cannot understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for ripsaw that I've seen before include "It cuts along the grain" , "Coarse wood cutter" , "Cutting tool" .)