Meanings

exercise regime to convert breech presentation

women picking up men

reverse course

women paying boys for sex

snapping back (at someone) despite being in the wrong

reflux esophagitis

upside down

the opposite direction

backward-twisting overarm throw

arm bar throw counter

(logical) inversion

regressive tax

plotting to damage the imperial palace or an imperial tomb

reverse fault

reverse-imported vehicle (esp. high-displacement motorcycles meant for sale outside Japan)

going in the opposite direction

levirate marriage

disassembly

shielding

backward channel