Please help ! drew swatstika at school /:?

Okay , so today I Drew a swastika and wrote all heil Hitler on my friends hand .. Very dumb , I know . But it was the last period and I honestly thought shed cross it out . And I truly meant NOTHING of it . She got sent to the office after school and told them I did it .. Do you guys think I could get suspended ? Could I deny it? Please help/: