The research describes the derring-do of a team of scientists working at University of East Anglia.
Having yourself immortalized with a paunch indicated you were wealthy/held high office/were involved in derring-do.
She fell in love with Colonel Charles Doughty-Wylie, a soldier with a record of derring-do with appropriate movie star looks.
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.
To that complexion of mean fraud did the old smuggling traditions of courage, adventure, and derring-do come at last!
Of deeds of derring-do for the saving of life our square-set friend was full.
And because they had no golden days of derring-do to look back upon, they did less grumbling.
Like Ivanhoe in the castle, he chafed at his compulsory inaction while others were doing "deeds of derring-do."
You shall be like a knight of old, who is to gain a maiden's hand by the accomplishment of some great deed of derring-do.
originally (late 14c.) dorrying don, literally "daring to do," from durring "daring," present participle of Middle English durren "to dare" (see dare (v.)) + don, infinitive of do (v.). Misspelled derrynge do 1500s and mistaken for a noun by Spenser, who took it to mean "manhood and chevalrie;" picked up from him and passed on to Romantic poets as a pseudo-archaism by Sir Walter Scott.