He was rearrested on Monday after prosecutors revoked his bail, a lawyer said.
Solomon Madzore, an activist from the Movement for Democratic Change (MDC) is accused of calling Mugabe a limping donkey during an MDC rally in April. He was first arrested last Tuesday.
"He had been granted $100 bail but prosecutors applied to have the bail revoked saying police still needed to complete investigations," lawyer Andrew Makoni told AFP.
In 2011, Madzore and other MDC activists were arrested for allegedly murdering a police officer and spent over a year in police custody.
The MDC said Madzore's arrest was meant to "cow the people ahead of the next elections." The MDC has raised concern about the harassment of its members and rights activists ahead of polls expected later this year. – AFP