mustardfoot
Someone who starts a task they are completely capable of and does not finish it.
Person 1: Hey dude, could you work on this for me?
Person 2: Sure, I'll be done within a week!
-a week later-
Person 1: Hey, that thing done yet?
Person 2: Nah dude I forgot, sorry. I'm not really motivated to do it anymore.
Person 1: Wow, you're such a mustardfoot.
Person 2: Sure, I'll be done within a week!
-a week later-
Person 1: Hey, that thing done yet?
Person 2: Nah dude I forgot, sorry. I'm not really motivated to do it anymore.
Person 1: Wow, you're such a mustardfoot.
mustardfoot
A person who will ignore working on a said task over and over
wow, my co-worker is being such a mustardfoot