でかぱい = big boobs
ちんぴら = punk/ gang stoogie/ gang n00b
駄目マン = bad cunt
谷間の百合 = "lily of the valley" (vagina)
出し入れ = in and out (can refer to a certain California restaurant chain ;-) or to fucking)
せんずり = "1000 Strokes" (fap fap fap fap fap fap....)
ざくろ = "pomegranate" (cunt)
コウマン = reverse of "mankou" (both mean "cunt")
ぐしょぐしょ = "gusho gusho" (to be sexually wet)
姥外 = "old-woman shellfish" (old vagina)
いく = "to go" (to cum)
天邪鬼 = pervert
穴 = "hole" (vagina)
赤馬 = "red horse" (vagina, big fire, arson)
http://www.languagerealm.com/japanese/japaneseslang.php