For instance, a UK buddy observed that i was mad keen about something.
2.
I took a look at your website and it was just up my street as I am a mad keen dolphin and whale watcher.
3.
Paul Bristol, the London-based consultant, said many Western oil companies are " mad keen " to do business in Iraq once security improves.
4.
At the outbreak of war, construction was deemed a reserved occupation, but he was " mad keen on flying " and immediately volunteered for the Royal Air Force.
5.
Organizers of the five-day tournament between Australia and India, the top two international teams, hope the historic event will make Americans " mad keen " for what once was an upper-class British game.
6.
I use American English, so when i say i'm mad keen about anything, it would be a falsification of my intent to say, e . g ., that i'm really hot for it.