try one's hand

flesh one's maiden sword

To experience or succeed in combat or struggle for the first time, as …

fiddle while Rome burns

To neglect helping when one’s time is needed most; to ignore the major…

for once

For the first time, after many instances to the contrary; in a rare ex…

lose one's virginity

To have sexual intercourse for the first time.

break the seal

To urinate, particularly for the first time after drinking alcohol.

long-time listener, first-time caller

A person who contacts the host of a radio program, or (by extension) t…