Sun Bathing Frog; refers to frogs that sunbathe in fountains in the Mental Wards of Hospitals and they always think they are better than you just because they are sunbathing.
by AJ_Kestel June 24, 2008

Sharon: "Is your SBF going with all y'all to that gay club tonight?"
Carter: "Oh yea, he's a great ally!"
Carter: "Oh yea, he's a great ally!"
by thenewvision March 8, 2020

SBF; shan't be f*cked; an abbreviation of the slightly more formal version of CBF can't be f*cked; common msn slang.
by lålå July 30, 2008

Secret Best Friend. When u already have a best friend but there's another that you have some connection with and they're incredible and the person you're best friends with isn't your bff any more.
Cydney : you're my best friend. My sbf
Rayssa: Same, makaila is a bitch and plus I have a connection with you 💛
Rayssa: Same, makaila is a bitch and plus I have a connection with you 💛
by RATCHETFAMRCDCCSDAM November 25, 2016

by Cqllxm May 20, 2018
