Hightlight first and last 2 lines after column 80:

:autocmd VimEnter,WinEnter * :match Error /\v%>80v%<3l.*|%>80v.*%$|%>80v.*(\n.*%$)@=/

You need to open a new window or reopen vim for this to work.

Explanation:

• %>80v%<3l.* match everything after column 80 in first 2 lines
• %>80v.*%$ match everything after column 80 in last line
• %>80v.*(\n.*%$)@=/ match everything after column 80 in last second line
• :help :match
• :help /%v
• :help /%l

Hightlight first and last 2 lines after column 80:

:autocmd VimEnter,WinEnter * :match Error /\v%>80v%<3l.*|%>80v.*%$|%>80v.*(\n.*%$)@=/

You need to open a new window or reopen vim for this to work.

Explanation:

• %>80v%<3l.* match everything after column 80 in first 2 lines
• %>80v.*%$ match everything after column 80 in last line
• %>80v.*(\n.*%$)@=/ match everything after column 80 in last second line
• :help :match
• :help /%v
• :help /%l

update

This solution doesn't work on screen line.

Hightlight first and last 2 lines after column 80:

:autocmd VimEnter,WinEnter * :match Error /\v%>80v%<3l.*|%>80v.*%$|%>80v.*(\n.*%$)@=/

Explanation:

• %>80v%<3l.* match everything after column 80 in first 2 lines
• %>80v.*%$ match everything after column 80 in last line
• %>80v.*(\n.*%$)@=/ match everything after column 80 in last second line
• :help :match
• :help /%v
• :help /%l

Hightlight first and last 2 lines after column 80:

:autocmd VimEnter,WinEnter * :match Error /\v%>80v%<3l.*|%>80v.*%$|%>80v.*(\n.*%$)@=/

You need to open a new window or reopen vim for this to work.

Explanation:

• %>80v%<3l.* match everything after column 80 in first 2 lines
• %>80v.*%$ match everything after column 80 in last line
• %>80v.*(\n.*%$)@=/ match everything after column 80 in last second line
• :help :match
• :help /%v
• :help /%l