for the devil of it , also: for the heck of it , also: for the hell of it

Down here Soulcatcher might have taken time to set a trap or two, just for the devil of it.

"I tried it once, for the devil of it," said the co-pilot amiably.

"Well, he didna pop out of the hole, bash three fellows on the head and pop back in again, just for the devil of it.

She came towards him teetering on her high heels, fur-coated, sweet-smelling, everything about her a little overdone, not through any error of taste but as if for the devil of it. '

As I had rarely, if ever, seen a man with a face quite so noble and full of vicarious suffering as this unteroffizier's was, just for the devil of it I had him roll up his left sleeve.

All I got out of it were a couple of English names they bandied about; if I had any contacts over the Border I'd follow them up for the devil of it, to see if I couldn't track down my agile friend.