an anxious feeling, of aprehension, generally felt in the stomache.

It's what you say when you've had too many beans and that your bottom feels likes jelly; you need to crap so badly.

to not feel well, feel like shit

A Collywobbler is a cotton-picking bank robber who originates from the west of a certain country or nation. Supreme edgy white males occasionally e-girls use this term to racially abuse less superior counterparts, typically black.