“bumping the lamp” means “going above and beyond,” because

Going above and beyond

Petite Japanese girls go above and beyond with service [MIAA-432

I like to go above and beyond with my nursing duties

The maid went above and beyond for her master

The maid went above and beyond for her master

The maid went above and beyond for her master

Going above and beyond…

I like to go above and beyond with my duties if you know what

I like to go above and beyond with my duties if you know what

I like to go above and beyond with my duties if you know what

[F] I like to go above and beyond with my duties if you know