Top Definition
A shy and awkward person that usually requires a lot of energy to be around.
Girl: Ugh i just met the most awkward person today!
Boy: That sucks, they must be a gilliland
by Chickalin19 July 22, 2010
A dirty and sometimes dingy cock sandwich.
Dude put your Gilliland away it totally stinks
by BirdOnSomeWood March 04, 2009

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