Top definition
1) The moment when drugs, ingested earlier, finally start working.
1) "Woah, these Mushrooms just kicked in! Shooot! I am tripping!"
2) "I will get started on my work as soon as this Coffee kicks in."
by SynthDaddy December 15, 2005
Mug icon

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