[w012d] "Word" (a generally positive interjection)

[W8] "Wait"

[WAD] "Without a doubt"

[WADR] With all due respect.

[waffles] Pun on "[ROTFLMAO]"; used similarly. In full: "Roffle my waffles"

[wag off] {v.} Skyve or play truant.

[WAI] "What an idiot"; also, Japanese for "yay" as influenced by […]

[wank] {n.} {v.} 1. Masturbation or to masturbate. 2. Inferior.

[wanker] {n.} 1. Someone who masturbates. 2. Abusive term (from 1.), […]

[wankered] {adj.} 1. Very drunk. 2. Exhausted.