piksini fu'ivla

x1 (entity) is the value of what is peeked at top of stack / LIFO queue x2 (ordered group of entity); x1 (entity) is the last (topmost) element of stack x2

See also poptono, pusxunu, stakeda.

In notes:

poptono
x1 (entity) is the value of what is popped off top of stack / LIFO queue x2 (ordered group of entity)
pusxunu
x1 (entity) is pushed on top of stack / LIFO queue x2 (ordered group of entity)
stakeda
x1 (ordered group of entity; full set) is a stack / LIFO queue