THIS is the dramatic moment a furious transgender woman threatened a shop employee after he called her "sir" instead of "maam".

Trouble flared when the blonde woman demanded her "f***ing" money back from the male worker behind the counter of the GameStop store in Albuquerque, New Mexico.

3 The trasngender shopper let rip after she was called 'sir' instead of 'maam' Credit: tom smith/facebook

When a fellow female customer stepped in and said: "Excuse me sir there is a young man in here you need to watch your mouth" the transgender customer really let rip.

She blasted: "Excuse me it is maam....it is maam."

The other woman then replied: "I can call the police if you would like me to... you need to settle down."

The furious shopper then hit back: "You need to settle down and mind your own business."

3 The furious shopper threatened to settle the row 'outside' Credit: tom smith/facebook

3 The woman vowed to tell others within the LGBT community about what had happened Credit: tom smith/facebook

When the hapless shop worker tried to calm down the feuding pair he also found himself on the wrong end of an expletive laden rant.

The woman screamed: "Motherf***er....take it outside if you want to call me sir again. I will show you a f***ing sir."

The fuming shopper then turned and started striding towards the shop's exit, only stopping to kick over a pile of toys propped against a shelf.

She then turned back to the man behind the counter and shouted she was going to complain to his bosses about the way she had been treated.

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She said: "I am going to tell them how I have been misgendered several times in this store.

The woman then quickly added: "Stop calling me a man, because quite clearly I am not."

She then stormed back towards the exit vowing to tell others within the LGBT community about what had happened before she added: "You will lose money over this."