A bland, banal, unoriginal person; a humorless bourgeois.
A political centrist or politically correct person; an unphilosophical adherent to the zeitgeist.
A thuggish, obnoxious, or contemptible person; (often preceded by "poor") a pitiable person.
Someone or something of mixed kind or uncertain origin, especially a dog.
An erect penis; an erection.
Of mixed breed, nature, or origin; of or like a mongrel.