Anatomy Lesson

'Tarro' literally means jar/pot, but colloquially means head/brain. 'Darle al tarro' = to think intensely about something. Common in everyday informal speech.

Literally 'without shame'. Used as an insult ranging from mildly affectionate (said to a cheeky child) to genuinely cutting (said to someone who has behaved dishonestly). Context and tone determine severity.

From 'níquel' (nickel, a bright shiny metal). Describes something cleaned or maintained to an impeccable standard. Very natural in everyday spoken register.

Originally from drug slang (a shot/injection), now used broadly for any sudden surge or rush, of hormones, adrenaline, energy, etc. Widely understood in informal contexts.

Informal and slightly dismissive shortening of 'guardia de seguridad'. Common in everyday speech. The -ata suffix often carries a mildly belittling or irreverent tone.

Fixed expression. Describes someone who does or says something surprising or bold and then acts as if nothing happened, totally unruffled. Often used with irony or mild disapproval.

Familiar term of address between friends, similar to 'tío/tía'. Warm and informal. Very natural in casual everyday speech between people who know each other well.

Literal meaning is breastfeeding. Used figuratively and with cutting irony to suggest someone was overly indulged or pampered as a child, implying that explains their current behaviour.