Rajar – to brag. Jactarse is also used.
Rajón – a bragger
Ranchar – to vomit. Botar el rancho is also used.
Ratada – a bad experience
Rayar – to fail a test in school or pass another car on the highway
Reventado/reventada – physically attractive
Roco – an old geezer
Rojo – one thousand colones
Ruliar – to sleep
Sapo – a tattle tale
Semerendo – big
Son varas – just kidding
¡Suave! – Wait a moment! ¡Eperáte! Is also used

Tiquismo – Cuando la rana echa pelos – never. El 31 de febrero is also used.