To shit ones pants so badly that it flattens out like a beef pattie
Your ass has a lump, did you Mac a shit?
Hey your kid stinks, I think he mac’d a shit
To successfully pursue sexual relations with a female.
Zahur: OMG did you see those two hotties making out at the bar? Or is it my beer-goggles?
Gavin: Who gives two shits? Man up, son, and mac that shit.
9👍 2👎
The consuming of a Big Mac from McDonald's, and shitting it out in a diarrhea-ish manner later on that day, or the first thing next morning.
Ketchup: (yelling into the bathroom) Hey Beef whats taking so long?
Beef: Oh I just had a Big Mac man!
Ketchup: And?
Beef: Its coming out of my ass right now, and I only had it a while ago! I'm having (yet another) Big Mac Shit Attack!
Ketchup: Ouch. I feel bad for the toilet after this one.
Beef: Yeah, me too.
44👍 18👎