How do you say love and miss loads in welsh?

There's not a single direct translation for "love and miss loads" in Welsh, as the expression is quite idiomatic. Here are some options to convey the sentiment, with varying degrees of intensity:

Formal/Literary:

* Cari a cholli'n fawr: This translates literally to "love and miss greatly." It's a more formal and poetic way to say it.

* Cari a cholli'n ddwys: This means "love and miss intensely." It's a more passionate way to express the sentiment.

Informal/Everyday:

* Rwy'n dy garu a'th golli'n fawr: This translates to "I love you and miss you a lot." It's a more personal and direct way to say it.

* Rwy'n dy garu a'th golli'n fawr iawn: This means "I love you and miss you very much." It's a more emphatic way to express the sentiment.

Slang:

* Rwy'n dy garu ti'n fawr iawn a'th golli'n llethol: This means "I love you loads and miss you heaps." It's a very informal and casual way to say it.

The best option for you will depend on the context and the relationship you have with the person you are speaking to.