juice up

verb5

1. •
   (informal) To charge, to charge up.

   • I need to juice up my phone because the battery's dead.
2. •
   (informal) To make more exciting, interesting or compelling.
3. •
   (slang) To take a performance-enhancing drug.

   • For so long I stayed natural because it was a sense of pride to me that as a natural I was still competing and beating guys who were juicing up. — 2010
4. •
   (slang) To secrete vaginal juices out of arousal, to get wet.

   • With her pussy spread he pressed into her and she bit into her bottom lip. “Damn, shawty,” he moaned. She juiced up even more when she heard how he responded to her. — 2017
5. •
   (slang) To kill or seriously injure with a knife.

   • Juice man up with this 15 inch Like, now I got blood on my splasher — 2020