Excessively happy with or without drugs
"Bruh was geekin because some bih was choking on his turkey neck deep stroking that shit and he busted for the first time after serving 10 years in prison"
If you've seen that video on Facebook about that tweaker vacuuming the street... yea that type of shit
Guy: bruh I'm weak
You: what?
Guy: that bih over there geekin
You: *laughs*
"When you see the people at the convenience store or walking down the road that look decrypted, look like they have no teeth, poor hygiene.. they excessively jerk or twitch, they also do that creepy shit when they get aggravated when they chew on their own gums... that's geekin"
"Similar to tweaking"