What does "killing 45 seconds" mean?

What is killing 45 seconds?

A humorous term, referencing that the person is going to jerk off.

Definition

A humorous term, referencing that the person is going to jerk off.

Noteworthy: Many will argue that it takes them a lot longer to jack off, which is bragging rights for some, simple truth for others. Meant to be humorous, or a possible sign of boredom.