Tucker also said he didn't believe the message was offensive because "the gays who live in Grey Lynn" call each other that.
Tucker, a Buddhist, worked for Auckland-based Custom Residential in 2011 but left after a dispute over commission. He later took a successful complaint against the agency to the Disputes Tribunal, receiving a financial payout.
But prosecutor Michael Hodge said Tucker then launched a sustained campaign against Custom director John Wills and Wills' solicitor David Beard.
In April 2015, Tucker pleaded guilty to a criminal charge of posting a noxious substance (namely faeces) to Beard and was discharged without conviction.