Buggy (adjective)

1. Full of bugs; having many bugs.
2. Likely to break or malfunction; not reliable.
3. Informal term for a small vehicle, especially a baby carriage.

Origin:

early 19th century: of unknown origin.

Examples:

1. This software is so buggy, I can't even use it.
2. This buggy is not safe for a child to sit in.
3. I can't believe how buggy this game is.
4. This is a really buggy website.
5. I'm going for a walk with my baby in the buggy.