A non curse word variation of Tabarnak. A word with many uses. Meaning you think a girl is sexy, or just to express joy. It could be broken down to literally be, tap her back. Meaning to do a girl doggy style, or slap a girls ass. Also used in an instance of being suprised.
-Taperbak!! That car almost hit us!
-I just won the lottery taperbak!!
-I'm gonna taperbak all night long. Then I'm gonna wake up and have a bruski.
-Look at her.. I'd like to taperbak.