Verb

The Spanish "ER" verb meaning to teach Biology terribly.

Can be conjugated into all forms of present, past and future tenses with no irregular endings

Example: Present tense, Yo-Geisingo
Tú-Geisinges
Ud./él/ella-Geisinge
Nosotros-Geisingemos
Vosotros-Geisingéis
Uds./ellos/ellas-Geisingen