Refers to partaking in kissing with someone else or sexy texting with someone.
This phrase is normally said when one person is texting or talking to someone they want to get jiggy with.
Can be abreviated to /\ if writing it in a text message.
Pauleen: He text me last night!
Cocker: oh really?!! bit of Muchy Muchy ey ;)
Peggy: yeah definate Muchy Muchy taking place Pauleen!!
by Peg333 February 29, 2008
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Refers to partaking in kissing with someone else or sexy texting with someone.
This phrase is normally said when one person is texting or talking to someone they want to get jiggy with.
Can be abreviated to /\ if writing it in a text message.
Pauleen: He text me last night!
Cocker: oh really?!! bit of Muchy Muchy ey ;)
Peggy: yeah definate Muchy Muchy taking place Pauleen!!
by PegCock February 28, 2008
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Onomatopoeic, from the Japanese, "むちむち," pronounced with an energetic and bouncy feeling:
1) Pleasantly plump, particularly in the bouncy baby fat sort of way.

2) Plump or full-bodied, but mobile or flexible.
3) Mainly to women of meat is a senior of praise for the body.
cf phatty girl, bootylicious, voluptuous, zaftig, bbw
I like the muchi muchi girls - gives me something to hold on to for the bouncy rides.
by むちむち January 20, 2016
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