groundhogese UK /ˌɡɹaʊndhɒɡˈiːz/US /ˌɡɹaʊn(d)ˌ(h)ɔɡˈiz/ noun1 •(humorous) A supposed language in which groundhogs and humans can communicate with each other.Ken picked up Phil and looked into his black eyes. "Phil only talks in groundhogese which you don't believe in." — 2014