What is Ifyb?
I fucked your brother. IFYB is usually written online or said outloud in the acronym form to be teasing the brother of the boy you had sex with.
PlAyA bOii: "Ur A sKaNk!!!!!"
HoT mAmIi:"WeLL iDgAf WuTcHa SaY, iFyB sO tAkE tHaT, bIiTch!!!"
See fucked, your, brother, joke, acronym