[engacho ; engacho](n) (1) (chn) crossed fingers and word said to call someone to be avoided as 'dirty'; (vs) (2) to cross one's fingers (to ward off 'dirt')[Add to Longdo]
[えんがちょきった, engachokitta](exp) (chn) (See えんがちょ・1) phrase used (usu. with accompanying crossed fingers gesture) to ward off catching 'dirtiness' from another child[Add to Longdo]