when used in the phrase, "that's some trifiling ass shit"; would best be interpreted as doing some bullshit that's makin' you look tacky.
That bitch asked me to throw in on gas for the night, even though i payed for her movie ticket and the dollar menu MacOut. That bitch has done some tacky stuff in the past, but that's some trifiling ass shit.
A straight girl, or girl who claims to bisexual (but everyone know's it's for attention), who only becomes sexual with other women after getting a few drinks of confidence juice up in her.
Girls become friday night lesbians when they discover that her half retarded guy friends rant and rave every-time she takes a shot and kisses her homegirls.
Tila Tequila and her appearance on "A shot at love."
Example in a sentence: "How's it feel to be a full time lesbian? I'm a friday night lesbian, after my crunk goes, so does my want for attention, and in-turn, my want for women. Excuse me, i lied, my craving for attention is still present, i just lost the 5 shots of vodka pulsing through my bod, so i'm not so out going.."