Derogatory term for someone so unpleasant that others hold their nose around them; implies social rejection. Often used in a figurative sense for a bore or a person who is a nuisance.
I don't want to work with such a disgusting fellow.
鼻つまみUsage95%
Most common spelling; uses kana for つまみ to avoid rare kanji.
鼻摘みUsage5%
Kanji spelling using 摘む; less common but still seen.
鼻摘まみ
Full kanji spelling; very rare and somewhat redundant.
Etymology
Literally 'nose-pinching', from 鼻 (nose) and 摘まみ (pinching). The image is of holding one's nose to avoid a bad smell, extended to mean a person so unpleasant that others figuratively hold their noses around them.