Surefire

Great brand of tactical flashlights, often featured on CSI and used by the armed forces in Iraq.

My surefire is bright as hell and indestructible.

Surefire by Ze German November 4, 2007

Surefire

Surefire, most commonly used as "Surefire Way" is a word with similar meanings to efficient, or effective, although can have a negative connotation as well as a positive one.

"That's a surefire way to get caught."

Surefire by CoolCrafter February 14, 2021

Sure Fire

meaning definitly, of course. its gonna come out to be a good thing. positive.

boy A- dude okay were gonna go rob that chicken store, heres the plan
boy B- dude this plan is not sure fire!
boy A- yes it is! it is so sure fire! were gonna have all the chicken in the world!

Sure Fire by Just.Jenna August 1, 2008

surefyre 

An STD from the club.

I took a woman from the tango bar home and now its a surefyre.

surefyre by tangotool February 9, 2010