The act of being both gay and hyper at the same time
Carol: I lost 20 lbs over the summer using "Sweating to the oldies". You should try it.

Joan: Hell no, Richard Simmonz is WAY to gyper for me.
by Tsarith April 24, 2009

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
Top Definition
A Best Friend, with too many inside jokes to count. A crazy person you couldn't survive without.
Oh thank g-d! There is my Gyper! I need to vent!
by Hifib January 03, 2012

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug