Definition: The term "twicer" is a mathematical concept used in computer science and programming. It refers to a binary operation that takes two integers, multiplies them together, then returns the result. This operation can be performed on any two operands of an arithmetic expression or logical operation.
For example:
```
x = 5
y = 3
result = x
y
print(result) # Output: 15
```
In this case, "twicer" is used to