Top definition
A girl that is very tall, 5"11 and up. usually alone very rare if you see two or more together.
Julian: shit Jarrett look at that gigafrag to your right.

Jarrett: no way bro she's borderline.

Julian: yeah church.

No one likes you sniffs your a gigafrag.
by ~3pj~ a.k.a ~ju baby~ August 29, 2009
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