From gremlin + -ous gremlinous (comparative more gremlinous, superlative most gremlinous) (humorous) Of, from, or similar to gremlins, and thus impish...
gremmy, grommet gremmie, gremmy gremlinesque gremlinology gremlinologist gremlinous imaginary creature reputed to be mischievously inclined to damage or dismantle...