cosigner 

A cosigner is a person who too-frequently supports anothers claims, or quickly joins in defense of their arguments because of a desire to fit it or express loyality to the arguer, rather than because of personal conviction concerning the topic.

"Man, you gonna be a cosigner on everything she says just cause you think shes cute?"

cosigner by AaronL July 10, 2007

Co-signer 

A white woman who dates thug or ghetto black men. Usually tend to be overweight and has tattoos of "her baby daddy (ies)" on her breasts.

Dumb white girl: I met Tyrone at Wal-Mart. He took me to the McDonald's to have a coke. We went to his sister's apartment afterwards and omg, sex was great!

Smart white girl: HAHA, you're a co-signer! Yeah, he'll fuck you right, but get ready to co-sign for his car loan, his apartment, his rims, his new grill... ETC

Co-signer by Yes_it_was_me December 3, 2010

Co-Signer 

An individual that goes along w/ everything another says w/ no thought or opinion of his own!!

Kane, you co-signer, stop co-signing everything that the managers force feed us!!

Co-Signer by Neftali September 8, 2006

co-signer 

A person with good credit who signs a loan application along with you, so you can get the loan. If you fuck up, their credit gets fucked up, and you will feel the co-signer's wrath.

My deadbeat brother asked me to be a co-signer for a loan so he could buy a new Lexus...I told him to suck my balls.

co-signer by my name?? October 30, 2005