sow your wild oats

sow (one's) wild oats

To engage in rebelliousness or promiscuity, typically in one's youth before settling down. Bill and I had to break up because I was looking to get married, and he just wanted to sow his wild oats. You can't sow your wild oats forever! Soon, you'll want a wife and a house, and you'll regret the things you're doing now.
See also: oat, sow, wild
Farlex Dictionary of Idioms.

sow your wild oats

RUDE
If someone, especially a young man, sows their wild oats, they have many sexual relationships which are not serious and do not last long. This survey shows that men see nothing wrong in sowing their wild oats before settling down. To settle down with the first man you met means you haven't had a chance to sow your wild oats. Note: In this expression, the behaviour of young people is compared to someone sowing wild oats, which cannot be eaten, on good ground instead of edible oats.
See also: oat, sow, wild
Collins COBUILD Idioms Dictionary, 3rd ed.

sow your wild oats

go through a period of wild or promiscuous behaviour while young.
Wild oats are weeds found in cornfields which resemble cultivated oats: spending time sowing them would be a foolish or useless activity. The expression has been current since the late 16th century; from the mid 16th to the early 17th century, wild oat was also used as a term for a dissolute young man.
See also: oat, sow, wild
Farlex Partner Idioms Dictionary

sow your wild ˈoats

(informal) (usually used of young men) enjoy yourself before you get married and settle down: The problem is that he never sowed his wild oats before he got married, and he wants to sow them now. Wild oats are weeds that grow in fields and look like real oats. Sowing them would be a silly or useless activity.
See also: oat, sow, wild
Farlex Partner Idioms Dictionary
See also:
  • sow (one's) wild oats
  • sow one's wild oats
  • sow wild oats
  • wild oats
  • wild oats, to sow one's
  • battle
  • battle with (someone or something)
  • raise sights
  • raise your sights
  • raise/lower your sights
References in periodicals archive
Don't be in a relationship if you want to sow your wild oats. You can't have the best of both worlds and expect to get away with it.
You didn't get to 'break the rules', kick over the traces, sulk in your bedroom, play one boyfriend off against another, flex your emotional muscles or sow your wild oats.
"Exactly how do you sow your wild oats?" I ask, preparing myself for peels of laughter that - oddly - fail to materialise.