your mum's pitted clam

Your mum's pitted clam (YMPC). Can be used as a comeback to any call

- You suck
- Your mum's pitted clam!

-Hey how's it going?
-Your mum's pitted clam!

Snail trail

Noun
The mucus left behind when you wipe your nose somewhere, i.e. your hand to remove snot from it.

Oh man, did you see the snail trail Retard Jake left on the back of the bus seat?