One of the many styles available to choose from in the art of pubic hair design.
The Hitler mustache involves shaving the pubic hair from either side, and the area directly above the genitalia, leaving a thin strip which quite looks like Der Fuehrer's preferred brand of whiskers.
To spice up her marriage, Jean shaved her pussy hair into a Hitler mustache.
Rabbi Kawolski was quite offendedwhen the centerfold had a Hitler mustache.
When someone sticks their finger in their ass, and wipes the fecal matter left on their finger, across a sleeping friend's upper lip. Leaving them with a hitler stache.
When someone gives a person oral and the pubic hair of the "receiver" falls out. the hair then sticks to the "givers" face on their upper lip giving them a hitler mustache.