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1.
Gaand kasao is the name given to ass play amongst your indian males in Mumbai. Gaand Kasao-ing is when a guy sneaks up to a friend and shoves his fingers up his ass. He usually shouts Gaand Kasi when the recipient of that move clenches their butt hole in response to aforementioned finger ass play.
He gaand kasao-ed his friend all day today

Chutiye, gaand kasi?
by jamnabai July 06, 2012