UK's only venomous snakes (6)
I believe the answer is:
adders
(Other definitions for adders that I've seen before include "sum? We do" , "Re Dad's snakes" , "Arithmetic snakes?" , "People doing sums" , "Poisonous types" .)
I believe the answer is:
adders
(Other definitions for adders that I've seen before include "sum? We do" , "Re Dad's snakes" , "Arithmetic snakes?" , "People doing sums" , "Poisonous types" .)