Boy and Girl who are best friend and have sex even though they are in a relationship with other. Similar to friends with benefits. The word gain popularity in the year 2017, May, after a long story was published in confession page.
I had a bf and he too had gf. But I had sex with my bestu. He gave me more pleasure than my BF. We are bestu.
by captainright May 18, 2017

by timeshade September 22, 2016

by RawrrrrrrClaire October 09, 2008
