A person who compulsively collects and keeps many tabs open on their web browser. Also a person who refuses to close a tab on their web browser for fear that they will regret it in the future, and so ends up compiling more tabs day after day.
My one friend is such a tab rat; she's so obsessed with fanfiction that every time she finds a new link to a new fic, she will keep it open on her browser until the foreseeable future in case she needs to re-read it.
by Sharpieyum December 25, 2009

A licentious girl who tends to spend copious amounts of time at a fraternity looking for ”frat guys” to pound her in ways that are illegal in most conservative states.
1. Kristen M. at Purdue University
2. Frat Meathead 1: Yo Brah, that Sarah has been shaking around here brah.
Frat Meathead 2: Yeah man, that girls a frat rat … brah.
2. Frat Meathead 1: Yo Brah, that Sarah has been shaking around here brah.
Frat Meathead 2: Yeah man, that girls a frat rat … brah.
by flouster April 23, 2009

a pigeon, due to the suspicion that rats turn to pigeons during daylight hours and back during the night. Also due to the fact that neither does anything of any value, other than shit everywhere...
by TCDD May 22, 2006

1. A girl that is addicted to being at the club.
2. A girl that spends most of the weekday and weekends at the club.
3. A girl that's always at the club and pimp's stupid guys for drinks then walks away like she never knew them.
2. A girl that spends most of the weekday and weekends at the club.
3. A girl that's always at the club and pimp's stupid guys for drinks then walks away like she never knew them.
by TxStar22 December 19, 2006

A useless, unemployed, dole bludging, foulmouthed teenager, living in the vicinity of Coledale, Tamworth, Australia. They steal from anyone (mostly 2 year olds)and think of nothing but how to best impregnate the nearest underage mole or friends sister.
by Da cooksta March 30, 2005

Rat tits usually occur on a person who is of a ratty nature. They are breasts that are of a pinkish colour, abnormally saggy and slightly wrinkly.
Hey rat tits over there, get away from that rubbish bin.
Man wats that funky smell? Oh it must be rat tits sitting across the room.
Man wats that funky smell? Oh it must be rat tits sitting across the room.
by Kane Dawson September 16, 2005

To be caught in the "rat trap" means that your in a relationship with a rat hoe that is only with you because you have a lot of cheese money.
by Palm tree breezy April 3, 2017
