Guide to Costa Rican Spanish

Boca de culo de gallina – a small mouth (vulgar)
Bola de billar – bald
Bola de manteca – a ball of fat (heavy person)
Cabeza de huevo – egghead
Caer en oidos sordos – to fall on deaf ears
Cabeza de pollo – dumb
Casperín – like Casper the ghost (a very white person)
Cejas de perico – thick eyebrows
Cejijunto –having [...]

A tomar porque el mundo se va acabar – Let’s drink because life is short
Toma – a wall socket
Toma – a take when filming a movie
Toma y daca – give and take
Tomador – a drinker
Tomar – to drink. Beber is also used
Tomar a la ligera – to take something lightly
Tomar a mal –mto offend
Tomar aire [...]

Achicarse – to back down, chicken out or choke in sports
Acobardarse – to chicken out
Apendejarse – to act like coward
Asustarse – to get frightened or scared
Asustado – scared
Asustante – scary (adjective)
Asustar – to scare
Aterrador – scary  (adjective)
Cagarse de miedo – to be scared shitless (vulgar)
Dar escalofríos [...]

Acomodador: an usher in a theater
Acomodar: to seat someone in a theater
Acomodar: to put in place. For example : Acomoda bien las maletas en el carro (Put the suitcases carefully in the car)
Acomodarse: to adapt oneself. For example: él se acomodó a las circunstancias (He adapted to the circumstances)
Acomodarse: to make oneself comfortable For example: [...]