From Longman Dictionary of Contemporary Englishwax lyricalwax lyricalPRAISEto talk about and praise something in a very eager way One fisherman waxed lyrical about the variety of fish in the river. → lyrical
Examples from the Corpus
wax lyrical• In the pub, beer glass in hand, he waxed lyrical about how he would spend his earnings.• You didn't even wax lyrical about the incredibly romantic island we could see from the cliff-top at the cape.• You're waxing lyrical about the M25 and the hopelessness of building more roads.• Marie Claire devoted last October's issue to the disease, and carried photos of topless celebrities waxing lyrical about their assets.• Before waxing lyrical about types of communication we need firstly to appreciate the uniqueness of the hotel environment.• Krzyzewski waxed lyrical on his team's winning effort.• They waxed lyrical on the virtues of introducing business-like methods and improving resource management. 