I'm packin heat now that I'm out all night downtown. Male: Used when referring to a man who has a large penis. "That girl is stacked up, she's packin heat.".
packing heatsex. The concept of one's penis size being large while during a flaccid state. "I saw his bulge, he must be packing heat!" #packing heat#penis.
packing heatdefinition by Dictionary of sex terms and "F" word, contains sex terms, of a man sexually aroused and possibly even sporting an erect penis.