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1 definition by 0070180

 
1.
A woman who wears full coverage panties, i.e. briefs or granny panties. Fullbacks generally have blatantly visible panty lines.

Fullback can also be used to refer to large panties.
Check out Danielle's panty lines! She's a fullback.

Robin traded in her fullbacks for thongs.

by 0070180 August 13, 2007