The act of grabbing a person's middle finger with your own, and then firmly shaking it as a gesture of compassion or greeting.
Mom: Make sure you give each of your dad's colleagues a warm fuck-shake when they come over this evening.
Son: Can't I just high five them?
Son: Can't I just high five them?
by YouKnowWho*smirks* April 12, 2017
Get the Fuck-shakemug.