67 is a word and it's pronounced Six-
Seven not Sixty-
Seven. It's a verb where you move your hands in an up-down alternating gesture. You can write Six-
Seven instead of 67 if you want.
Base Form: to 67.
Simple Present: I 67, She 67, They 67
Simple Past: I 67ed, (Six-Sevened)
Present Participle: I'm 67ing (Six-Sevening)
Past Participle: 6seved (Six-Seved)
Present Third Person: Doing 67s, It 67s, She 67s, He 67s.
Imperative: 67!
Gerund: "Six-Sevening is fun."