A "things to do" list that someone has or may create when they have so many things to do that they can't imagine when or how they will get done. This can be a general list or specific to a particular subject or project. This list may be used to organize smaller "to do" lists or just to list random things that need to be done, sometime.
"I'm going to add looking for a gymnastics program for my daughter to my grab list. Hopefully I'll get around to that soon."
Grab List for house:
-fix patio doors
-change exterior light bulbs
-change interior light bulbs
-paint the entire interior of our 3,500 square foot house
-change the carpet and other flooring in the entire house, etc.