loved-up 
adjective British informal
1Under the influence of the drug Ecstasy, typically with the result of feeling euphoric and affectionate: loved-up ravers...
- The idea was that the deliriously loved-up men would unable to resist one another, but would be suffused with regret once the potion wore off.
- The cover of Pursuit of Happiness conjures up those hazy, loved-up days, with a picture of an endless road and a distant horizon signifying the elusive pot of gold at the end of rave's rainbow.
- If anybody had looked into the clubbing generation they would have found a group of happy, loved-up people, who go to listen to the music, dance and make new friends.
1.1In love, or behaving very amorously: the sickly sight of loved-up couples on Valentine’s Day...
- The loved-up couple had arrived in Ireland by private jet, before being whisked to the plush Hotel in a blacked-out limo.
- The loved-up pair plan to tie the knot in August.
- Whether you're loved-up or single, we've got Valentine's Day wrapped with original ideas that shout: I love you!
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