A law school applicant who has a high LSAT and a low GPA. Typically, the LSAT and GPA fall either above 170 and below 3.0 OR above the 75th and below the 25th percentiles of a target school.
There is no such thing as a "reverse splitter", or someone who has a high GPA and a low LSAT.
Jon is such a splitter! His 173 LSAT and 2.9 GPA guarantee him a loooonnnnnggggg cycle!