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1.
n; adj; adv.

An individual who, upon entering college, tries to do every single extracurricular activity s/he did while in high school, possibly also joining a fraternity/sorority, while still attempting to maintain their high school GPA and academic aura. Portmanteau word of frosh (slang for freshman) combined with the term manic.

c.f. froshmania, the general concept of being freshmanic.
The second the semester started, I got all froshmanic and signed up for Model UN, trivia club, pledged Sigma Epsilon Xi, decided to join the drama club, and took a bunch of sophomore-level courses.
by Froshmanic February 23, 2009