From Longman Dictionary of Contemporary Englishlove nestˈlove nest noun [countable usually singular] a place where two people who are having a romantic relationship live or meet each other – used humorously
Examples from the Corpus
love nest• Only last week he bought a £550,000 love nest in Henley-on-Thames, Oxon.• That apartment is goddamn love nest, right?• The dingy flat in Cleghorn Street had been transformed into a cosy little love nest.• Fancy taking you to that tired old love nest.• She tracked his middle-aged mistress to a caravan-site love nest only two miles from her bungalow home.• The love nest he had conjured out of so little would make up for all her pain.• Their love nest is the master suite of a glitzy private residence in a new gated Big D community.