Sandra Bullock laughed uproariously when Jay Leno challenged her to drop the F-Bomb, which she promptly did.

Sandra Bullock laughed uproariously when Jay Leno challenged her to drop the F-Bomb, which she promptly did.

Sandra Bullock was in a spirited mood when she dropped in on Jay Leno last night, wearing a dress that could have doubled as lingerie. She talked about her new profanity-laced movie “The Heat,” which includes 190 F-bombs–not including the one she dropped last night.

The 48-year-old actress stars with Melissa McCarthy, Dan Bakkedahl, Michael Rapaport and Marlon Wayans.

The comedy-drama focuses on an FBI Special Agent Sarah Ashburn (Bullock) and hard-boiled Boston detective Shannon Mullins (McCarthy). They team up to track down a Russian mobster.

“Tell me about the language in the film,” said Leno. “Is this the real Sandra Bullock.

“Yes the truck driver mouth is the way,” she replied. “It’s great. We have a 190 F-bombs most of them being Melissa’s, so I am chaste in that world,” she says. “Then at the end I learn how to…

“When you drop them you are cooler, I am cooler,” she added. But she’s much more circumspect in real life, she noted.

“Not in front of children,” she she said.

“Not in front of the children?” Jay replied. “Any children here?”

Sandra laughed uproariously before collecting herself and replying: “It just make me f*cking cooler when I drop them.”

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