1)Playing Hooky
-A lot of people were playing hooky during the world cup.
-Tom said he was sick but we knew he was playing hooky.
-Our entire group of friends decided to play hooky on Friday.
Meaning:
To Miss Work or School for an illegitimate reason.
Etymology:
Americanism first recorded around 1848. Bartlett's Dictionary of Americanisms gives this slightly later example: "He moped to school gloomy and sad, and took his flogging, along with Joe Harper, for playing hookey the day before." (Mark Twain, Tom Sawyer)
2)Five Finger discount
-Tim wanted some five finger discounted sweets
-Jane had no money so she decided to get a five finger discount on the dress.
-John Wanted a five finger discount on everything after getting laid off work.
Meaning:
To Steal Something
Etymology:
Stems from the term sticky fingers. So imagine someone putting the finger into a sweet jar in a shop.
3)The lights on but nobody's home
-I don't think david will pass his final exam, the light was on but nobody's home
-I look at the puzzled expression my classmates had during our maths class and I knew for most of them the light was on but nobody's home. It is no good expecting
-John to say anything. The lights are on but no-one's home.
Meaning: Really Stupid
Etymology:
Lights on means brain is active, so the persons brain is working but not in a usable fashion.