Top definition
Knowing that something is going to go wrong and plowing through anyway due to the off chance something actually goes your way.
Guy 1:" I'm going to go talk to that chick. She's a solid 9.5."
Guy 2: "Are you nuts? No shot man, just go home and choke the chicken. This has rejection written all over it."
Guy1: "I know but Murphyism is giving me some weird confidence right now. "
by Shmaux June 18, 2018
Get the mug
Get a Murphyism mug for your buddy Larisa.