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1.
Steroid-free Anti Itch Lotion.
Kid 1: What's that menthol smell that great aunt Beverly always has?
Mother: Oh, that's just Sarna...I love it!
by asdadsdsa April 27, 2008
 
2.
The pasty grey like goop that grows around the testicles and thighs after sweating.

It is also known as dense ball sweat.
Want to take a sniff of my sarna?

After the football game, the guys decided to smell each other's sarna.
by Culhao October 16, 2006