How is “get it up” used?

In Avengers: Age of Ultron (2015), one line is: “We won't hold it against you if you can't get it up.”

Which movie is “get it up” from?

The clip at the top of this page is from Avengers: Age of Ultron (2015).

to have an erection; to raise a bid, price, or other amount until it reaches a stated level

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Oxford60% de las películas
to have an erection
...you'll be too old to even get it up.
Definición editorial40% de las películas
to raise a bid, price, or other amount until it reaches a stated level
I just got to ensure we get it up to 250.

Definiciones del Oxford Advanced Learner's Dictionary, 9.ª edición

We won't hold it against you if you can't get it up.

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