It means to slap your girlfriend with a very wet spaghetti noodle and belt your aunt with a half metre Weiner in bed. Leat fingies mean your fingers are so moist but firm, so when thou leat fingie wraps thou fingers around that wet spaghetti noodle. That noodle becomes holy and turns into thous own minion
Leat fingies
I'm going to be a leat fingie