Originally only appeared in 尴尬 (gāngà). Internet-era usage broke it free as a standalone — 尬聊 (awkward chitchat), 尬舞 (awkward dancing), 尬笑 (forced smile). Casual speech and online posts only.
memory
尢 (lame) + 介 — looks like a person standing crookedly between two things, can't go forward or back: visually awkward.
