Top Definition
a pronoun used to address ladies, gentlemen, and variations thereof

Most commonly used in the Philippines where people are either unsure of whether you are a man or a woman, or they just can't be bothered to state the difference.
"Hoy! Pare, isang coke please."
"Yes, mamsir!"
by velle68 August 14, 2011
2 more definitions
a person who's gender you can not identify
Is that a man or women? I don't know, it's a mamsir.
by some stupid girl February 04, 2010
a female who has male mannerisms; butch female
Wow look at the mam sir, she looks more manly than the average man
by TD74 February 12, 2011

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