Examples from the Web for derring-do
Usually they trade sniffles and exaggerated stories of late night derring-do; now they are exchanging enterovirus EV-68.
High diving, however, is more than an exhibition of derring-do.The World Series of Cliff Diving Takes Itself Very Seriously|Hampton Stevens|June 29, 2014|DAILY BEAST
The research describes the derring-do of a team of scientists working at University of East Anglia.
She fell in love with Colonel Charles Doughty-Wylie, a soldier with a record of derring-do with appropriate movie star looks.
Having yourself immortalized with a paunch indicated you were wealthy/held high office/were involved in derring-do.
Derring-do is used several times by Spenser, who explains it as "manhood and chevalrie."The Romance of Words (4th ed.)|Ernest Weekley
We can watch your deeds of derring-do from here through the glasses.John Ames, Native Commissioner|Bertram Mitford
Of deeds of derring-do for the saving of life our square-set friend was full.Cornish Saints and Sinners|J. Henry Harris
The woman asked for details that would help her picture feats of derring-do.Talents, Incorporated|William Fitzgerald Jenkins
She would tell us of deeds of 'derring-do' and all that was inspiring in the way of freedom and love of country.Life of Frederick Courtenay Selous, D.S.O.|J.G. Millais