The proper form of a verb that is both in the past and present.
Though largely unknown, this
tense is
good english, as recognized
by the
ISO (International Standards Organization)
1. The
morbidly obese man "plupped" onto the couch, seductively "
slupping" from his
Big Gulp cup.
2. The adolescent boy metaphorically "jerzzed" at the thought of the next Star Wars film.
All completely legal usage of past present tense.
