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?
Why dont you buy some more altcoin and Hold ! so you can make some good profit but if luck fail then you could also lost some bitcoin then you might need to wait more ! but now i should say it is good time to buy some altcoin
Happy Trading
Thanks
Regards