the old bloody mouse trick

a good gag to pull on an unsuspecting gullable person who you are close with
i.e. lay in bed and pull a used tampon from the crotch hole and hold it in ur hand by the string and yell "ahhhhh, i found a mouse, a dead fuckin mouse" and watch the other person scream in horror until he/she realizes what it really is..then they uuuke