The look of disgust in a person that is reminiscent of the face pulled when eating something very tart, such as a lemon.
When my wife discovered that the paedophoilia charges that she had laid against me would not be pursued as the prosecutor had found them to be baseless she had a face like she was sucking a lemon.
Is a nickname for Tsunade Senju. The name was created because of Tsunade's infamous terribleluck. She is also someone with a large addiction to gambling, implying that she is a sucker for all bets.