Top definition
When you have a class with someone you know, but are only friendly with them in that class time.
"John and I are the biggest 45 minute friends of all time!"

"I know you guys are so friendly in English but never talk to each other in the hallway."
by ROcktheCashback January 21, 2012
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

Alphabetical list