Female physical reaction upon reaching climax.
The effect on a young lady's lower limb upon reaching the finale of a romantic encounter.
This will only occur if the young lady in question is standing upright...there also usualy follows a short "uh huh huh"..lending the illusion that an impression of the King is being attempted, hence "Elvis' leg"
by chris grounds December 10, 2006
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Rubbery legs when one has second thoughts about doing something dangerous, that they committed to (especially with much bravado, in front of their friends). Common among young males who haven't had enough to drink.
"Dude, once Jimmy got a closeup look at drop into Corbet's Couloir, he got some serious Elvis Legs"
by go_1234 January 4, 2018
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