zero times infinity

1. Something nonlogical, undefined, nonsense.
1-1. Something that seems like the above.

2. Something that doesn`t exist.

3. Something frustrating to calculate.

1.
Guy a: Did you hear The Whore is going out with Jason?
Guy b: What! That`s like zero times infinity! Why would he...

2.
Guy a: I`m raising a pet dinosaur.
Guy b: You fucking liar. I know dinosaurs are zero times infinity!

3.
Calculate the limit of (1/x) x when x goes to infinity.