A small, cone shaped, rolled up strip of cardboard which is placed at the mouth-end of a joint, often made out of the little flap on rizla boxes. A roach serves various purposes, it;
- Stops your weed fallin out
-If someone bums it (slobers on the end) it stops the soggy paper from falling apart
-It gives your spliff a standard cone shape, which is almost impossible to achieve without a roach
'Aye yo man, iz u got a roach?'
'For real' *rips strip off rizla box lid
'I smoked that spliff right down to the roach'
past tense of the verb "shit"
While walking through the mall,Kelly's mom tore ass and shat herself.