This is the 9076th most frequent Russian word.
сб
"Сб" is an abbreviation for "суббота," meaning "Saturday" in English.
The abbreviation 'сб' is used to denote the day of the week 'Saturday'.
Я встречусь с ним в сб.
I will meet him on Saturday.
Here, 'сб.' is an abbreviation of the verb 'сбиться', meaning to go astray or deviate.
Он сб. с дороги.
He deviated from the road.
In this usage, 'сб.' also represents a form of the verb 'сбиться', specifically in relation to movement or pathways.