A grass (Avena fatua) much resembling oats, and by some persons supposed to be the original of cultivated oats.(noun)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "wild oats" in a sentence
"The Shagreen Skin is the adventure of a young man who, after sowing his wild oats and losing his last crown at the gaming table, goes to end his troubles in the river, but is prevented from carrying out his intention by being fortuitously presented with a piece of shagreen skin, which has the marvellous property of gratifying its possessor's every wish, yet, meanwhile, shrinks with each gratification, and in the same proportion curtails its possessor's life."
"He was of an old and noble family, and it had been hoped that he had sowed his wild oats when he married the beautiful Lady Jane Rufton."