William Edward Heavey, aged 48, of Mull View, Kirk Michael, has pleaded not guilty to common assault.
He is accused of assaulting his nephew on August 9 at Shipyard Road in Ramsey.
A pre-trial review will be held in summary court on October 5.
Mr Heavey was represented in court by advocate Paul Glover.
Bail was granted in the sum of £500 with conditions to reside at an address in Jurby, not to contact the complainant or enter locations specific to him.