BS Proof 

To be immune from bullshit

Boss: I'll give you a raise next month
Employee: Phil, stop it, that's what you told me last month. I'm bs proof.

BS Proof by milloo_antibs May 20, 2009

BS Proof 

An ability that all Architecture Students in all countries acquire during their first year of study, all professors mix their points in a lot of bull shit.

After a year of architecture training in college, I become BS proof.

BS Proof by yck011522 March 16, 2010