A nickname given to tennis superstar Roger Federer. It is a portmanteau of his last name and Shredder, the pre-eminent villain from the Teenage Mutant Ninja Turtle media series. It is sometimes used in conjunction when refering to fellow tennis player and rival Rafael Nadal, as one of Ninja Turtles is also named Raphael. Can alternatively be spelled "Shrederer."

A jack off buddy (from 'cum' /'come', meaning 'semen', and 'companion'); a friend that you get together with for sessions of solo or mutual masturbation
Variant of: cumpanion (from 'companion' & 'cum'); jack off buddy & wank bud & JO buddy
Similar to: fuck buddy