the initial good fortune or success commonly supposed to come to a person who has recently taken up a new pursuit, as a sport or game: Catching a large trout the first time you go fishing is simply beginner's luck.
What’s The #’s Real Name?A hash has referred to stripes on military jackets since as early as 1910. But, in the 1980s, people started using hash to refer to the # symbol.
Origin of beginner's luck
First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Idioms and Phrases with beginner's luck
Good fortune in a first attempt or effort, as in I often use a brand-new recipe for a dinner party; I trust beginner's luck. [Late 1800s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.