Idiom: Listen UpCheck definitions of...listenupMeaningsHow to pronounce "listen up":AU Your browser does not support the audio element. To listen closely; to pay attention.A-Z Proximitieslion's denlion's sharelion-heartedlip serviceliquid courage listen up little emperorlittle headlittle oldlittle pitcherlittle strokes fell great oaksSimilar Idiomslisten upSimilar Phraseslisten in