right back

Short definition from Wiktionary

Noun

1. 1
   A defender who normally plays on the right side of the field.
2. 2
   Alternative form of right back.

Prepositional phrase

1. 1
   Synonym of back at you.

Adverb

1. 1
   In an immediate or quick return to an original position.
2. 2
   In direct reciprocation or repayment of an action or gesture; in kind.