Tinderbox

[Rihanna]

A [redheads] [vagina].

[Oralee]

A thing that is readily ignited.

[Renato]

The term used [for a girl] one finds on the dating [app] [Tinder] when your sole intention is to fuck the shit out of her box.

[Kit]

the literal meaning of the word is a box for holding [tinder], tinder being something [combustible] you use to [start a fire]. A tinderbox can also be a potentially dangerous situation or location.

The proper usage of the term is as an insult that sarcastically implies that somebody is fake tough.

[Jason Yan]

The [soft] [bit] of skin between your balls and your [arsehole].