Related Clues:

• Twice as silly, enough to kill one (8)
• Twice as silly in one killing one
• Twice as silly in a murderous manner
• Couple of 6 down in murderous manner
• Double start for 5 down in fatal fashion
• Twice as silly in one so killing
• Twice as silly in such a deadly way
• 'Likes, perhaps, to come at the double in for the kill (8)'
• A fatal way to get it in the neck
• Pair of fools in killing combination
• Raise him if wanting to make trouble
• So sick inside that it'll be the death of you
• There are a pair of fools in this hit, man
• Assassin
• He makes a hit with a couple of eejits at home