noun: A dude who fucks a chick that his buddy had sex with earlier, generally without said buddy's permission.
Dude, I can't believe Dave did Amanda just a week after she and Ron hooked up. He is such a buddy fucker.
by 51westside July 1, 2011
Get the Buddy Fuckermug. Military term for someone who does something that makes their coworker’s life more difficult. Related to blue falcon.
by PennyroyalBlack April 17, 2018
Get the Buddy fuckermug. A description of one or both individuals in a couple who were at first "just friends." Commonly referred to as "friends with benefits" these indivuals are literally "Buddy Fuckers"
Person1: "Are Kevin and Nichole dating? I thought Nichole was single."
Person2: "Kevin says they're just buddies, but everyone knows he's a Buddy Fucker."
Person2: "Kevin says they're just buddies, but everyone knows he's a Buddy Fucker."
by Rial A. Kidou January 29, 2010
Get the Buddy Fuckermug. When you literally or metaphorically fuck a friend inadvertently. Always by mistake but seen negatively by others.
Mailman 1: Hey I heard Frank the "buddy fucker" fucked Will out of the leadership position.
Mailman 2: Nah man, Will was just bent over like he always does and Frank accidentally stuck it in.
Mailman 2: Nah man, Will was just bent over like he always does and Frank accidentally stuck it in.
by Paco4u May 6, 2018
Get the Buddy Fuckermug.