hi guyz. can you help me that i have know nothing about blood wash term

i have got some btc that i bougth when its 11.5k usdt. should i keep btc and hodl or buy some alt coins?
if your in need of money,well do it now go sell your bitcoin..but if you trust your coin hold untill it recovers.because for sure this is just isolated case and normal occasion for the whole market since all coins are red alert now