2) to engage in sexual intercourse
3) to successfully complete an assignment (e.g. homework)
4) to thoroughly consume a meal
We were gonna mack, but I forgot my rubbers.
I'll be staying up late tonight. I have to mack my history paper.
He MACKED those gorditas!
Eric: "Eight times in a row?!"
mack as fuck describes a person, situation or thing which is likely to bring things on top
yeah, don't be mack.
wee mush, do you knows Dean Court?
yeah, he's mack as fuck.
don't stash your dirty rugs in there it's mack as fuck.
2.) To eat epically or with force
2.) Did you see David mack on you lady earlier? You better watch out.