To walk up to a friend's house unannounced and just knock on their door. It's the way the cave men did it before phones.
Hey man, let's go cave man John's place.
Friend: it's fuckin 2 am. go home!
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