ish

1. kind of, sort of.
2. Give or take a time period

1. That's what I meant to say... ish.
2a. Come over at 12-ish. (give or take an hour)
2b. Come over at 12:30-ish (give or take half hour)
2c. Come over at 11:10-ish (your choice; five minutes or ten)

blast

An expression of woe.

"Blast", he shouted as he hit his foot on the door