dip the wick
Definitioncopulate, said of and by males. See copulation for synonyms.
Quote: Oscar (Walter Matthau) trying to convince Felix (Jack Lemon) that they should make a play for the two good-looking women, Thelma and Holly, in The Odd Couple II (1998): 'The wick is almost out, Felix. All I want is for the candle to glow rather than curse the darkness.'