Fingeradding 

The process of counting and doing math with your fingers beyond the age of 10.

Teacher: what is 10+5
Kid: Dammit, not enough fingers again!
Kid2: Fingeradding!

Fingeradding by Philosophy649 November 14, 2010

Fingerdingo Kebab

When a man with extremely long fingers skewers several pussys at once, causing the women to form a Fingerdingo kebab.

jesus, I got wrecked by a Fingerdingo kebab last Christmas.

Fingerdingo Kebab by Aaron the playa July 12, 2018

Fingerdinger 

A penis.

WOW you have a HUGE fingerdinger!

Fingerdinger by Songstress85 January 17, 2010