go for the five

To do the bare minimum through sheer force of will.

i.e. just show up

Origin: in many University seminar classes, one gets five "participation marks" out of a possible 10 for merely attending the class.

Ben: Ugh man I hate my family and it's Thanksgiving!
Brian: So? Go for the five - eat dinner, hug your grandma, and peace out!
Ben: Yes. I will go for the five.