What does this expression mean?

Question

they said, "hes a hot dog, he cuts the mustard"

i understand the hot dog part obviously, but what does "he cuts the mustard" mean?

Answer 1

To be very good at something (and slick) or be of an excellent quality.

Answer 2

it means he's a show-off

Answer 3

To be able to perform a task, or measure up to a job.  

Around 1900, "cut" began to be used as slang for "do" or "perform."  Mustard was, at that time, slang for "hot stuff."  

Answer 4

"cuts the mustard" means he's good enough.  Meets expectations.

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