Top definition
A challenge to have sex with 15 people during your freshman year at college or university. Inspired by the animated webshow 'Dick Figures'.
DYLAN: Yo Lewis, did you hear about Robin?
LEWIS: No, what about him?
DYLAN: He did the freshman 15 challenge! The madman really did it!
LEWIS: No, what about him?
DYLAN: He did the freshman 15 challenge! The madman really did it!
by slimeshady September 02, 2019