List of love and relationships idioms:

1. Puppy love/calf love

2. Match made in heaven

3. Fall head over heels

4. The apple of (someone’s) eye

5. Ask (someone) out

6. Pop the question

7. Love at first sight

8. Lovey-dovey

9. Tie the knot

10. Dump someone

10 ENGLISH IDIOMS ABOUT LOVE

Idioms About Love & Relationships

1. Puppy love/calf love

feelings of love that a young person has for someone else and that adults do not think is very serious

Example:

Jack has a cool new girlfriend, but it's just puppy love.

2. Match made in heaven 

two people who are perfectly suited to each other

Examples:

Veronica and Justin are a match made in heaven.

Everyone thinks that we're a match made in heaven.

3. Fall head over heels 

to be in love with someone very much

Examples:

As soon as I saw her, I fell head over heels. 

It was obvious that Henry had fallen head over heels in love with Emma.

Keep reading:  Travel Vocabulary

4. The apple of (someone's) eye

a person or thing that someone loves very much

Examples:

His youngest son is the apple of his eye.

Dua was always the apple of her mother’s eye.

 5. Ask (someone) out

to invite someone to go out with you, especially as a way of starting a romantic relationship

Examples:

She is too shy to ask him out.

He has asked Ritika out to the cinema this evening.

6. Pop the question 

to ask someone to marry you

Examples:

Nick got serious quickly and popped the question four months later.

Megha was deeply in love with Dev, so when he popped the question, she said yes without any further thought. 

7. Love at first sight 

a feeling of love for someone when you see them for the first time 

Examples:

When James met Amelia it was love at first sight. They were engaged within two months.

Charlie was standing at the door when Clara opened it. It was love at first sight.

Keep reading:  Eye Idioms

8. Lovey-dovey 

lovey-dovey people show their love for each other in public by touching each other and saying loving things

Examples:

His lovey-dovey attitude is known to all.

Anna was lovey-dovey on Facebook about him just last month.

9. Tie the knot 

to get married

Examples:

Sumer tied the knot with Sneha two years ago.

Her sister is tying the knot for the second time and she is only 28 years old.

10. Dump someone 

to suddenly end a romantic relationship with someone

Examples:

Her boyfriend dumped her.

If she's so awful, why don't you just dump her?