same as skidmarks
After a long day of cuttin the cheese my fruit of the looms got nicotine stains.
by Anonymous April 08, 2003
Brownish/Greenish stain made by fecal matter usually made by dingleberries rubbing against the tightie whities my father wears.
"Dad,why is your underwear brown?" "That, dear daughter, is a nicotine stain"
by ashley November 16, 2003