20%ers

a person that tp 20% or higher of their check. At a restaurant, club, salon, spa, etc.

"Look, Jen, our bill is $30, We'll leave $7."
Jen: "OK, Shell, ya know, better yet, let's leave $10, they did wait on us hand and foot. And there's 6 bartenders, they all have to divide this money."
Shell: "you're right, service people work SO hard."
Jen: "thank god we're 20%ers and not cheap basterds."