tss means “That’s so sweet”Click to see full answer. In this manner, what does TSS stand for? Toxic shock syndrome Additionally, what does VPL mean? visible panty line In respect to this, what is TSS in networking? TSS. Total Sum Square. network, technology, learning.What is Tssss?tsss An expression of disapproval, contempt, or dissatisfaction conveyed by use of this sound. Also may be used as an expression in strenous situations.