Under the influence of ecstasy (the drug MDMA).(adjective)
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Use "loved-up" in a sentence
"My husband and I have had the most incredible, loved-up relationship until our beautiful bundle came into the world last August."
"Guests can make their own way to Stoke Poges or meet at London's Hanover Square where from they're taken to a 17th-century country pile in Buckinghamshire for a long list of loved-up activities."
"Anyone on Brighton Beach watching Mario Testino snapping away at Tali Lennox (rock legend Annie's daughter) and Tara Ferry (son to Roxy music's Bryan) for Burberry's 2011 spring/summer advertising campaign launched this month, could be forgiven for thinking that it was another display of rock star offspring being loved-up by luxury brands intent on keeping the spirit alive for the new generation."