Gibastic 

The word used to describe something so fucking fantastic you had to take your shirt off

Friend1: You my nigga last night was fucking gibastic
Friend2: dude I know I ended up taking my shirt off 5 times

Gibastic by The swiggity niggities toast January 23, 2014

Ginastic 

Something that is fantastically gigantic!

'His feet are size 14, they are GINASTIC'

Ginastic by Ryebeach January 13, 2010