OTF
adj
Elementary
1
Initialism of out-the-front, telescoping, describing a knife or sword which extends and retracts through a hole in one end of the handle, rather than folding (or having a fixed blade).
Initialism of out-the-front, telescoping, describing a knife or sword which extends and retracts through a hole in one end of the handle, rather than folding (or having a fixed blade).