Slang Words in Different English Speaking Countries 

United States:

1. Lit - Exciting or excellent
2. Flex - Show off or boast
3. Hangry - Angry due to hunger
4. Gucci - Good or cool
5. Sus - Suspicious or suspect
6. YOLO - You Only Live Once
7. FOMO - Fear Of Missing Out
8. Chill - Relax or calm down
9. Thirsty - Desperate or overly eager for attention
10. Bae - Term of endearment for a significant other

United Kingdom:

1. Blimey - Expression of surprise or shock
2. Chuffed - Pleased or delighted
3. Knackered - Exhausted or tired
4. Gutted - Disappointed or devastated
5. Dodgy - Suspicious or unreliable
6. Mate - Friend or buddy
7. Cheeky - Playfully impudent or irreverent
8. Bloke - Man or guy
9. Naff - Unfashionable or tacky
10. Skive - Avoid work or school

Australia:

1. G'day - Hello
2. Arvo - Afternoon
3. Brekkie - Breakfast
4. Barbie - Barbecue
5. Maccas - McDonald's
6. Fair dinkum - Genuine or true
7. Ripper - Excellent or fantastic
8. She'll be right - Everything will be fine
9. Thongs - Flip-flops
10. Tall poppy syndrome - Tendency to criticize successful people

Canada:

1. Toonie - Two-dollar coin
2. Loonie - One-dollar coin
3. Double-double - Coffee with two creams and two sugars
4. Canuck - Slang term for a Canadian
5. Poutine - Dish of fries topped with cheese curds and gravy
6. Eh - Tag question used to seek agreement or confirmation
7. Mountie - Member of the Royal Canadian Mounted Police
8. Mickey - Small bottle of alcohol
9. Parka - Heavy winter coat
10. Timmies - Tim Hortons, a popular coffee shop chain