BILF 

Baby I'd like to Fuck

Made famous by Stewie Griffin on Family Guy

Oh BILF, check out that BILF

BILF by FG Fan January 17, 2011

bilf 

an attractive bailey

"Wow is that bailey??? She's a bilf."

bilf by big troupxfe May 1, 2021

BILF 

Brother I'd Like to Fuck. not your actual brother, unless you are from Alabama, but someone who is close to you like a brother, but you also think he is hot.

Danny, in a complete non threatening way, You're my favorite BILF.

BILF by DallasDolly September 10, 2010

BILF 

Bacon I'd like to fuck

Dude, check out that BILF next to the eggs.

BILF by NICANATER July 14, 2010

bilf 

Baby I'd Like to Fuck.
Used by Stewie Griffin in "Family Guy" in reference to a baby he found attractive in a supermarket.

Stewie: "Ooh, ooh! BILF, total BILF"
Stewie: "Yeah so I got 6 pacifiers"
BILF: "..."
Stewie "Well, that was a big nothing"

bilf by BassMZero January 17, 2011

BILF 

BILF is BOSS I'd Like to Fuck.
The whole point of having the acronym (like MILF) is that it's a bit taboo.

My BILF works me really hard. Yeah, baby.

Oooh, the BILF is coming! Time for me to stand by the copier and look cute....

BILF by creaternity June 12, 2006

Bilf 

Acronym: Brother I'd like to fuck.
N. Term applied to hot (usually older) brothers of best friends (bfs) or aquaintences. Used when around said targets sibling or other friends who know of siblingship.
Akin and sometimes used in place of the rarer Filf (Family I'd like to fuck; i/e:cousin, step siblings ect., aunts, uncles, cousins inlaw - of friends)
Derivitive of Milf
Note: does not denote an incestual connotation.

Jason: hey (passing to the kitchen)
Jess(studying, overtaken by jasons hotness): Your brothers a bilf.
Lynn: what?
Jess: Is he seeing anyone?
Lynn: What!?....your fucking crazy.

Bilf by A.L.F. August 30, 2006