pronounced "Glee-shay": occurs when a person acts in a very unsurprising, predictable or otherwise overdone manner in regards to musical or theatrical performances, or else acts like one of the characters from the television show "Glee"
"For Katie's choir audition, she sang 'On my own.' Such a Gleeche! Who does she think she is-Rachel Berry?"
by dramaqueen713 January 12, 2010
Originating from east London in late 2018 the word gleech shares similarities to the word fuck as it can be used in multiple variations
by Skibbii July 12, 2022