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2.
Describes a person, place, or thing that is very uncomfortably large or annoying.

Side Note: Don't be misslead by "Tight" in this phrase.
Tight is often used as "cool or nice".
I heard that my roomate is Tight Shit.
by MisterBooners August 02, 2009
 
1.
definition for some really cool funky music
"damn this groove is some damn tight shit!"
by tom level August 17, 2003