Pregreen 

To smoke marijuana before going out or engaging in an activity. Similar to Pregaming, but with weed instead of alcohol.

I bought us tickets for Prometheus in IMAX, let's pregreen at my place first.

Pregreen by deuxchats February 3, 2015

Pregreening 

To creep forwards while waiting for a red light to change.

Stop it!!! Your are driving me nuts with your third-worldish pregreening way of driving.

Pregreening by rperazag August 5, 2010

pregregnant 

Greg knocked you up

man Greg really got you pregregnant

pregregnant by Darkfaun March 13, 2018