look up any word, like ratchet:
 
5.
it's when a girl actually uses her lips or vagina lips over your penis or anus. (thus vibrating her vagina lips or lips of her mouth) when her mouth has encased your engorged penis, balls, anus, or testicles!
That girl gives good simmer down’s!!!
by john daniel johnson July 10, 2008
 
1.
Calm down, chill out.
Simmer down!
by Dominick January 14, 2004
 
2.
simmer down - in northen england meaning to 'calm down'
That girl looks like shes in a rage! 'simmer down' love!
by yeiizcool November 12, 2010
 
3.
When being told to 'Simmer Down' you are inevitably being told to shut the fuck up.
girl: like, omgz! i just got this like awesome new shirt! its pink and, like omg its aweesome!!!
dude: simmer down now...
by FloraJane May 25, 2009
 
4.
simmer down- to simmer down is to simmer ones self control and to keep ones peace of mind at a controlled state. the term coined by hockey players has expanded throughought the world.

original founder DZ
simmer down KL
by dzdzdzdz January 13, 2012