man juice noun3 •(vulgar) Semen.“Thank it for fucking you, for providing with a mouthful (and she giggled) arseful of man juice! That's what you will do for all cocks you serve, boy!” — 2014 •Elements of manhood or masculinity.“It's the excess man juices bubblin' around in yer blood talkin'.” Taken by Storm By Heather MacAllisterMy first car should ooze man juice My Girlfriend Bites: A Young Adult Paranormal Werewolf Romance By Doug Solter •Strong liquor (by implication, so strong that it is only suitable for men)