Nigger-lipping Edit Meaning

1.

The act of holding a cigarette in your lips enough to moisten the paper.

Hey man, quit nigger-lipping that cigarette. I want a drag.

2.

Highly prejudiced description of placing ones' lips entirely around the open mouth of a bottle or canteen, thus opening the possibility of backwash.

Comes from an old stereotype that black people have lips that form a perfect circle and are thusly perfectly adapted.

Dude, quit nigger-lipping the pepsi!