Wiktionary
nut up
vb. (context intransitive slang imperative English) To suffer in silence, without complaint or protest.
Usage examples of "nut up".
We got some nut up on Alta Vista trying to get little kids into his car to pet his weenie.
And back here on the last crest are the flag- pole sitters and the goldfish swallowers and the Ponzi hoax and the marathon dancers and the man who pushed a pea- nut up Pikes Peak with his nose.
Listen, Jack, are you privately eating a nut up there, and drinking, while I perish here for mere want, the shame of it?
And back here on the last crest are the flag pole sitters and the goldfish swallowers and the Ponzi hoax and the marathon dancers and the man who pushed a pea nut up Pikes Peak with his nose.