Quick, swift, especially when in reference to skating. Hard to get noticed by opposing players. See Tony Sturmanis
Whilest Michael W. Harmon was clunky and brutal, Tony Sturmanis was mercurial
Reciprocal oral sex involving a male and a transexual/transvestite. A sixty-nine with a tranny.
If you're looking for a life-changing mercurial, Brazil's your place!