Start A Fire 

To start a discussion, a debate, an argument, typically with people that have opposing views.

John did start a fire when he told his coworker that he had voted for Trump

Start A Fire by retailacc May 28, 2018

start a fire 

To masturbate in such a way that were your bottom half cropped out and your top half GIF'd, it would look vaguely like you were trying to start a fire. And vaguely like you were masturbating. That's the thing about vagueness. Nobody really knows what's happening. On that island. With that ball. And that man. And that beard. And I miss Helen Hunt. Remember Mad About You? I think she was in that.

Charlie: Is Jack jerking off over there?
Desmond: No, he' s trying to start a fire!
Charlie: But he might be masturbating?
Desmond: Yes.

start a fire by Betty Mustafa October 4, 2016

Start a fire 

asking someone to start a fire is to ask a female gender to scissor with you.
the slang "start a fire" refers to the friction being made when 2 females scissor each other

"do you want to start a fire with me?", "We started a fire last night, it was exhausting!"

Start a fire by ruthle January 27, 2015

start a fire 

to put sand-paper around your penis (rough side out) and have sex with a girl.

man she told me she wanted me to start a fire and I didn't know she was in to kinky stuff like that

start a fire by Kevin....? May 16, 2008