nut up
v.— «Who ripped off who? DId anyone complain? Nut up or shut up.» —“Re: Last night’s ep—Is this Angel or Star Trek?” by Net Prophet (net.prophet@home.com) Usenet: alt.tv.angel Nov. 25, 1999. (source: Double-Tongued Dictionary)
Further reading
For rock climbers, skiers, and other outdoor enthusiasts, the word send has taken on a whole new meaning. You might cheer on a fellow snowboarder with Send it, bro! — and being sendy is a really great thing. Plus: a nostalgic trip to Willa...
A psychiatric home health worker is curious about the use of nuthouse to mean “a mental health facility.” This term goes back to the turn of the 20th century. The word nuts itself once had an extremely positive connotation, referring to...