to stop someone from shaking their tits or to calm someone. People get angry sometimes and their man/girl tities jiggle up and down. Usually gets people pissed off.
When Omar won a basketball game against Yutai 16-1 he felt worth while playing against Yutai. Yutai was angry and said,

"no fair! Your cheating!".

Omar responded, "please calmtity".
by Peter132132 April 9, 2011
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