The crossword solutions for the term KILLS, SLANGILY are 'OFFS' (4 letters) and 'BUMPSOFF' (8 letters). The term 'OFFS' is a slang term used to describe the act of killing someone. It is derived from the phrase 'offing someone', which is a more polite way of saying 'killing someone'. The term 'BUMPSOFF' is also a slang term used to describe the act of killing someone. It is derived from the phrase 'bumping someone off', which is another way of saying 'killing someone'. Both terms are commonly used in informal contexts.