18

approximately the amount of time it takes to chug the ocean

man i can't believe badlands chugged the ocean in 18 seconds the world record is 19

18

Flinch's true lover, and Etherealprince's cousin, she actually has no legs.

"Haha, you're touching my bum, you 18!"

18

18=Old

Oskar 18 (Balding): Hello young whippersnapper!
Karl 17: Go away old man! You are desgustang and should live in a retirement home.

18+

A rule often seen on the internet that nobody follows.

Admin: R page is 18+??//!!!!11 We dnt want ur parents 2 sue us!!!11111111
17 and 1/2 year old: lol fuck da police

18 in 18

The practice of ingesting a beer per hole on a regulation golf course. 18 beers in 18 holes. It usually results in uncoordinated golf and dismissal from the Golf Course. The destroying of Golf carts, clubs and apparel is also a typical result.

I pulled off 18 in 18 last week and I'm still hung over.

18+

The three symbols you write in pornhub when you are feeling horny.

Bob: What should I watch?
Jim: 18+?
Bob: Yeah! I love small boobs!

18+

18+ is when something is just for adults and you that are reading is probably not an adult.

Bob: Man yesterday I saw a movie that is 18+ with my dad, and it was sick!