High-five and Say hello

High-five noun - A gesture of greeting or elation; one person's upraised palm slaps the upraised palm of another person.

Say hello and high-five are semantically related in welcome topic. In some cases you can use "Say hello" instead a verb phrase "High-five".

High-five and say hello are semantically related in welcome topic. You can use "High-five" instead a verb phrase "Say hello".