Same relation as a stepsister, but with positive connotations as opposed to the negativity that is typically associated with a Stepfamily. Bonus family members are chosen freely and they enrich your life.
My mother remarried after I moved out of the house. I am a good friend with her new husband. As an added bonus, I was introduced to an awesome new awesome friend: my Bonus Sister.
by DieDirk May 14, 2016
Get the Bonus Sister mug.Someone whom is your sister or someone who resembles a sister, that will always have your back and is your bestfriend at the same time
by Momma cat August 27, 2017
Get the best sister ever mug.Related Words
SIDTER
• Sister
• Sister-In-Law
• sister fister
• sister fucker
• Sitter
• sister squad
• Sisterwife
• sistering
• sifter
by The Sex Panther April 5, 2008
Get the dick sisters mug.The only two people in the world who are more undeserving of their wealth than the Osbourne children are the Hilton Sisters.
by Chernorizets Hrabr November 26, 2004
Get the Hilton Sisters mug.Someone on the right side of the information divide. Comes from the Japanese 情報強者 (Jouhoukyousha, shortened to Joukyou, meaning information literate). The negative counterpart is Wrong-sider
by Davixxa July 25, 2018
Get the Right-sider mug.by King24pm September 14, 2018
Get the Sider mug.by Taboo topics February 1, 2018
Get the Step sister mug.