  We derive a shortcut stationary metric formula for generating imperfect fluid
rotating solutions, in Boyer-Lindquist coordinates, from spherically symmetric
static ones. We explore the properties of the curvature scalar and
stress-energy tensor for all types of rotating regular solutions we can
generate without restricting ourselves to specific examples of regular
solutions (regular black holes or wormholes). We show through examples how it
is generally possible to generate an imperfect fluid regular rotating solution
via radial coordinate transformations. We derive rotating wormholes that are
modeled as imperfect fluids and discuss their physical properties that are
independent on the way the stress-energy tensor is interpreted. A solution
modeling an imperfect fluid rotating loop black hole is briefly discussed. We
then specialize to the recently discussed stable exotic dust Ellis wormhole
emerged in a source-free radial electric or magnetic field, generate its,
conjecturally stable, rotating counterpart which turns out to be an exotic
imperfect fluid wormhole and determine the stress-energy tensor of both the
imperfect fluid and the electric or magnetic field.
