ˈpuppy love noun [uncountable]
a young person’s romantic love for someone, which other people do not think is serious:
a bad case of puppy love

[TahlilGaran] Dictionary of Contemporary English ▲

puppy love
romantic love which a young person feels for someone and which usually disappears as they become older.
At the time I was sure I would marry him when I grew up but of course it was just puppy love.

[TahlilGaran] English Idioms Dictionary ▲

puppy love
infatuation (strong feelings of love) between school-age children or teenagers
The two teenagers thought that their love was the greatest in the world but everyone knew that it was only puppy love.

[TahlilGaran] English Idioms Dictionary ▲

puppy love
n., informal The first love of very young people.
When John and Mary began going around together in junior high school, their parents said it was just puppy love.

[TahlilGaran] English Idioms Dictionary ▲