means alot of what you say before "like shit"
usually used after a noun or adjetive. Used in the DMV
"damn that girl is ugly like shit"
"he ate that whole burger, he fat like shit"
"he was at tha party knockin ppl out, he kimbo like shit"
In addition to the above poster's definition:
2) no fucking way, not gonna' happen, yeah right
Person 1: ay mo you gonna do that paper?
Person 2: (pause) *laughs* like shit!