ドクロマークでしょう
dokuromākudeshō
1. Skull mark, likely.; Probably a skull mark.
Noun
#117210
1. Skull mark, likely.; Probably a skull mark.
1. not under observation; not on one's radar
2. unmarked (player); unguarded
3. unmarked (item, etc.); without a mark
1. computer-scored answer sheet; optical answer sheet
1. mark (former currency of Germany)
1. Bellmark; Bell Mark
1. it seems; I think
2. right?; don't you agree?
1. Probably a multiple-choice sheet.
1. Marking on a multiple-choice sheet; To mark on a multiple-choice sheet
1. Wasn't a multiple-choice sheet.; Wasn't marked on a sheet.