A public display of sex by the under 18 crowd, most often accompanied by Electronic Dance Music (EDM), and often relying on a wall, theatre seat, or railing for leverage.
i.e. "Bro, this trap set is sick! I can't believe Chad wallfingered (wallfinger) that chick before security got here!"
Dermatologically deteriorated digits. Cashiers suffer most from this conditiondue to years spent on the till.
"Why is your left hand all gnarled up and twisted"
" Because that's the hand I touch the customers with..I'm a cashier"
"Oh sorry to hear that.. emm.."
"It's OK.. tillfingers are a misunderstood sufferance"
When you flip someone the bird, but with absolutely perfect form. All knuckles are completely hidden and down, except those that belong to the middle phalange. Fully extended middle finger, with all other fingers laid flat against the inner palm.
“That dude just gave me the Old Man Tall Finger!”
“Give that bitch the Old Man Tall Finger, let her know you aint playin’!”
“I like to use the Old Man Tall Finger, it’s a classic that is understood across all age groups and languages...”