To be astute

A rajatablas: to be in a hurry (adverb)
Cachetón/a: a person with big cheeks
Coligallero or orero: a goldminer
Colmilludo/a: smart or astute
Comprar a pagos de polaco: to buy something on time
Cuando la rana echa pelos: when a frog sprouts hair which means “never”
Gato/a: a person with blue eyes
Gato negro: literally means a black cat but can be someone or something that bring bad luck
Jalar con: to be dating someone or be boyfriend and girlfriend
La faja de tiros or los podridos: someone’s teeth
Maluco/a: in bad health, sick or poor quality
Mandamás: the boss
Míster: a synonym for señor which means mister or Mr.
Parar la oreja: to listen carefully
Pargo/a: a lazy person
Pasacalles: a type of parade
Pasar raspando: to scrape by or pass an exam with a minimum grade
Pegarse un vueltín: to take a ride or drive
Rajarse: to brag
Ramón: a man’s name or somebody’s rear end
Sudar la gota gorda: to sweat profusely
Tacos: shoes for playing soccer or fútbol as they say in most countries outside of the U.S.