brain fag

Etymology

 * possibly originates from West Africa

Noun

 * 1) A condition in which male high school and college students experience mild forgetfulness, and difficulty in concentrating and maintaining a train of thought, arising from overthinking.
 * 2) Cerebropathy.

Usage notes

 * This term may be mistaken for a homophobic slur by those unaware of the medical condition, especially those from North America.
 * Not to be confused with brain fog.

Synonyms

 * brain tiredness