make waves: cause problems.
"Teachers don't like students to make waves."
max, to the : maximum.
"I'm happy to the max."
"American restaurants serve mega portions of food."
megabucks: a large amount of money.
"It takes megabucks to live in Japan."
"I'm feeling very mellow this evening."
mickey-mouse: unimportant; time-wasting.
"I'm sick of this
monkey bite: a kiss that leaves a mark on the skin.
"I don't want any
monkey bites tonight, okay?"
munch out: to eat voraciously.
"Let's munch out on a large pizza!"