What is Tammify?
1.
1) To place a cigarette backwards in one's mouth and accidentally light the filter
2) To leave a cigarette burning in an ashtray, then, proceed to light a second cigarette
3) To light a cigarette and forget about it until the cigarette has completely burnt itself out
"Shit!"
"Did you tammify another cigarette?"
"I forgot I already had one burning..."
(usually followed by vehement laughter)
See