Define Fuck Biology Meaning

Fuck Biology
1)The reason I want to kill myself.
2) The reason I'm going to kill myself.
3) The reason I drink in college.

Me : Hey man, Fuck Biology. I cant even understand my professor.
Professor: hEY maN, fUCk BIolOGy. i CAnT eVEn UndERStaNd mY PrOfESsoR.
By Korney