Noun. Someone who constantly fails to show up for dates or abandons their friends at a bar.
Similar to douchebag.
"Did Jesse leave without us AGAIN?"
"Yeah. She's such a ditchbag."
someone who says they will meet up and hang out, only to change there mind later on that day.
turtles a real ditchbag, he was gonna burn one and now hes just at home being a peice of shit.