Answer: kickback

AnswerCrossword Clue
KICKBACKQuestionable rebate
KICKBACKRelax
KICKBACKIllegal refund.
KICKBACKSharp reaction.
KICKBACKRefund, snide style.
KICKBACKRetaliate with the foot.
KICKBACKRecoil
kickbacka strong reaction
kickbackA sudden forceful recoil
kickbackA payment made to someone who has facilitated a transaction or appointment, esp. illicitly