A todo pulmón is to shout
Echarse or pegarse una mejenga is to play a pick-up or informal game of soccer
Entrar con los taco de frente is to confront something head-on
Estar en capilla ardiente is to be in trouble
Estar puras tejas is to be well or estar pura vida as we say here
Gatazo a smart, resourceful or clever person
Inteliburro/a is word play for a dumb person. It is a combination of inteligente (intelligent) and burro (donkey).
Jaibo is a stupid person
La ve peluda or la ve ofe is when something is going badly for someone
Pellejo is an ugly old person (woman) and is a very offensive term
Por aquello means just in case something happens. En caso de que means the same thing.
Pura tuza is when something is of bad quality
Se le bajaron las medallas is when a person is humbled or has to come down to earth
Ser como dos gotas de agua is to be identical like twins
Ser pipa is to be very intelligent, smart or a brain