a groin with multiple click-into-place-options, like Robocop should have and Kryten from Red Dwarf does have.

Often associated with a rotational movement of the hands at groin height and the "kih-koh-koh-kih" noise from Transformers
"deploy (or possibly unleash) the multigroin"

or

"starring Lee Majors as Multigroin"
by kevlar007 August 29, 2007
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