Sans glyph is usually a t shirt with no drawing but there is a Rwandan slang of sans glyph used to call or to mean someone with no nyash or with unshaped nyash
Ntukajye wigira ingoswi witeza ziriya sans glyph
Is a Rwandan slang used to mean that you are not satisfied on food,drinks or services. This slang is mostly used by student and teens
1. Banteye agashoka kuri table
2. Nariye agashoka saa sita birambabaza
Is a Rwandan slang used to mean someone who don't understand something or doesn't do something in the right way
Niba utazi icyo bivuga uri ingoswi
Is a Rwandan slang mostly used in highschools meaning someone who acts like he/she is on the top of everyone
Nge ntacyo mba mvugana n' umw'ancient