na-adjective, noun which may take the genitive case particle 'no', noun, noun or participle which takes 'suru'
lovey-dovey; head-over-heels in love
Colloquial wasei-eigo term describing a couple acting very affectionate or being deeply in love. Often used adverbially with に or as a する-verb.
wasei-eigo (Japanese-coined English), from love love
あの二人はいつもラブラブだね。
Those two are always so lovey-dovey, aren't they?
公園
I saw a couple being all lovey-dovey in the park.