adj. Being "high" on caffeine, to the point of incoherent annoying babbling and random hyperactivity and/or spacing out externally while mentally the mind is moving with incredible speed.
to be so completely fucked up on cocaine that you can barely think or talk. Usually is followed by random cleaning of your house or other mindless tasks. Sometimes can result in long winded conversations about nothing.
"Dude I must have went through 2 balls last night, I was geeked as fuck, I started organizing my cds by the last name of the lead singer of the band"
or
"Oh shit, I was geeked as fuck last night, I talked to John about the earth's gravitational pull for hours"
When you grab a sizeable glob of cannabis concentrates that resembles a small gerbil and proceed to dome the dab. Resulting in a high that is on a new level.
Cade: "Yo, Do you want to go to my place and get gerbed"