After reviewing the search results, it seems that "Short Blast SIP" is a term used in the context of investing in mutual funds. It involves dividing monthly SIPs (Systematic Investment Plans) into smaller installments. This strategy is said to be useful during market crashes. It is not clear if there is a specific definition or formula for "Short Blast SIP," as the term seems to be used differently by different sources. However, it appears to be a method of investing in mutual funds that involves dividing monthly SIPs into smaller installments.