Re-posting it but whit spaces between them for more easy reading
Catalan;

somiatruites "omelet dreamer". To be distracted

Menjar poc i pair bé "to not eat a lot to digest well". Meaning to take your time

Pagant, St Pere canta "If you pay, Saint Pere sings". You can achieve anything you want with money

Ja has begut oli "You've already drank oil" Meaning that you have already fucked up. The meaning of this expression comes from one of the torture methods the inquisition used, using a funnel to make the victim drink boiling oil untill he or she died.

Venir de l'hort "Coming from the fields". Meaning to not know what's happening

Fer-se un Sant Hilari "To do a Sant Hilari". To drink all of the bottle without stopping.

vesteix un bastó i semblarà un senyor "he dresses with a walking stick and looks like a sir" meaning that even though he may pretend he is still the same inside.