No it was gas because you washed your legs all over because you did it in shorts.
( ( No it ) ( ( ( was gas ) ( because ( you ( ( ( washed ( your legs ) ) ( all over ) ) ( because ( you ( ( did it ) ( in shorts ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT No) (PRP it)) (VP (VBD was) (NP (NN gas)) (SBAR (IN because) (S (NP (PRP you)) (VP (VBD washed) (NP (PRP$ your) (NNS legs)) (ADVP (DT all) (RP over)) (SBAR (IN because) (S (NP (PRP you)) (VP (VBD did) (NP (PRP it)) (PP (IN in) (NP (NNS shorts)))))))))) (. .)))
Your legs were washed all over due to having done it in shorts.
( ( Your legs ) ( ( were ( washed ( all ( over ( ( due ( to ( having ( ( done it ) in ) ) ) ) shorts ) ) ) ) ) . ) )
(ROOT (S (NP (PRP$ Your) (NNS legs)) (VP (VBD were) (VP (VBN washed) (PP (DT all) (IN over) (NP (ADJP (JJ due) (PP (TO to) (S (VP (VBG having) (VP (VBN done) (NP (PRP it)) (PP (IN in))))))) (NNS shorts))))) (. .)))