A very hard beating. In Serbia it´s known to be a common expression, especially in Belgrad. The Serbian expression is сербисцхе масажа
by masterofmassage April 10, 2013
A Serbian ass massage is a sexual pleasing act in which a male(or female) companion sticks their thumb in your rectum and stimulates your "male G spot" while also massaging your balls and *optionally* giving you a handjob or a blowjob.
P1:Kyle told me he got a serbian ass massage by a random chick last night.
P2:Imagine how good it feels.
P2:Imagine how good it feels.
by Piggas in Naris March 12, 2023