To leave, abandon, or purposefully lose someone. My little brother was being a real pest around me and my friends, so we decided to ditch him in the mall.I can't believe she ditched me to go hang out with her friends!
ditch
1. tv. to dispose of someone or something; to abandon someone or something. The crooks ditched the car and continued on foot.
2. tv. & in. to skip or evade someone or something. Pete ditched class today.