This is a 3,180 byte cursor (penis.cur) of a penis compressed (encoded Base64) to 1,600 bytes, it also has JavaScript code to inject it as CSS to the page.

cursor.js

var WHAK_com = function(u) {
  var a, s, c, n = {}, t = (u + "").split(""), e = t[0], r = e, i = [ e ], o = 256;
  for (s = 1; s < t.length; s++) c = t[s].charCodeAt(0), a = 256 > c ? t[s] :n[c] ? n[c] :r + e, 
  i.push(a), e = a.charAt(0), n[o] = r + e, o++, r = a;
  return i.join("");
}(decodeURIComponent(escape(function(a) {
  var b, c, d, e = {}, f = 0, g = 0, h = "", i = String.fromCharCode, j = a.length;
  for (b = 0; 64 > b; b++) e["WHAK.com/paCker NOT^2~BIG_[JS-RULEZ]	(@$%,#&X;){MDPV!*9405+1638}=".charAt(b)] = b;
  for (c = 0; j > c; c++) for (b = e[a.charAt(c)], f = (f << 6) + b, g += 6; g >= 8; ) ((d = 255 & f >>> (g -= 8)) || j - 2 > c) && (h += i(d));
  return h;
}("_oc!G^%1G@cV_^G!C.m.]2 .]2~HTST D/4.(STrJ!^.(2_$Dp~KDpV.(STUD/*ODp_HDpcmDa^.]STS-6T%DaV.&ST)Da}.XkTDDCC.X6T!DCI.;XT4DC].)ST+DC{.{kT3DC1.{6BWDGmcLXBKDG^cESBoDGUcZkBpDG&cZ6BkDG4c]oe]^SBND_mc	6BTD_Kc(XB2DG1c@XT+D_Uc(SBRD_4c%kB2D_4c@6B	DCCc%SBGD[]c$6BZD[{c	XB(D[1.,kB$D[&c#SBDDJ^c&o c&6BaDJIcX6B9D[ .(SB+D_1c)kBcDJ}oL6B_DJ1c{k[mD[4oLSBKD%^c#STBD%VcXXB4D%&cEXB}D%1oZk[NDJmo	X[^D%I.#k[ D%}o@SBHD,1oEXB1D# o	k[UDCVo$S[JNS[%D#^o,XT4D#{o(6[BD,^o&ST*D,]o%X[MD%4oX6B/D&I.]S[PD&Vo#S[5D&&oXSB9D,IoZSRWDCEAJB*@rSRpD0{m]^]mEk[OD&1o&k[9D0J.{SR/D0&m]kR_D0}.&S[{D5JcLkRGD01m@6RaD5Km(SR@D5 m	XRUD+Km]SR[D+p@D+Im#X[TD+mm&SRMD1 m&kR4D+^mXSBpD1Jm)STeD1Vm&XR!D1&cZkRED1Im)kZWP/JmXkZAP/ /EXR;P/m/ZXZ PpK/	SZTPp mX2N{PpU/@kZ_Pp&/@6ZSecK/@KEAPpL&NSZUPpU.$oJ/(VOHPpG{PaOHPa	{DpV/&SZ&NSZGD/4/,XZ&Pa4m,SZIPa}/,XTeTkZ$PaV/(6T&PCU/Xk@APC(HPGm/&X@KPaU/%XZ#PCJ/{SZ(PpE$Pa!{ek@ PpUp@SZSPp(4 ^!=")))), WHAK = document.createElement("link");
WHAK.rel = "stylesheet";WHAK.href = "data:text/css," + escape("img,body{cursor:url(" + WHAK_com + "),progress!important}");
document.documentElement.childNodes[0].appendChild(WHAK);

var WHAK_com=function(u){var a,s,c,n={},t=(u+"").split(""),e=t[0],r=e,i=[e],o=256;for(s=1;s<t.length;s++)c=t[s].charCodeAt(0),a=256>c?t[s]:n[c]?n[c]:r+e,i.push(a),e=a.charAt(0),n[o]=r+e,o++,r=a;return i.join("")}(decodeURIComponent(escape(function(a){var b,c,d,e={},f=0,g=0,h="",i=String.fromCharCode,j=a.length;for(b=0;64>b;b++)e["WHAK.com/paCker NOT^2~BIG_[JS-RULEZ]    (@$%,#&X;){MDPV!*9405+1638}=".charAt(b)]=b;for(c=0;j>c;c++)for(b=e[a.charAt(c)],f=(f<<6)+b,g+=6;g>=8;)((d=255&f>>>(g-=8))||j-2>c)&&(h+=i(d));return h}("_oc!G^%1G@cV_^G!C.m.]2 .]2~HTST D/4.(STrJ!^.(2_$Dp~KDpV.(STUD/*ODp_HDpcmDa^.]STS-6T%DaV.&ST)Da}.XkTDDCC.X6T!DCI.;XT4DC].)ST+DC{.{kT3DC1.{6BWDGmcLXBKDG^cESBoDGUcZkBpDG&cZ6BkDG4c]oe]^SBND_mc    6BTD_Kc(XB2DG1c@XT+D_Uc(SBRD_4c%kB2D_4c@6B  DCCc%SBGD[]c$6BZD[{c    XB(D[1.,kB$D[&c#SBDDJ^c&o c&6BaDJIcX6B9D[ .(SB+D_1c)kBcDJ}oL6B_DJ1c{k[mD[4oLSBKD%^c#STBD%VcXXB4D%&cEXB}D%1oZk[NDJmo X[^D%I.#k[ D%}o@SBHD,1oEXB1D# o k[UDCVo$S[JNS[%D#^o,XT4D#{o(6[BD,^o&ST*D,]o%X[MD%4oX6B/D&I.]S[PD&Vo#S[5D&&oXSB9D,IoZSRWDCEAJB*@rSRpD0{m]^]mEk[OD&1o&k[9D0J.{SR/D0&m]kR_D0}.&S[{D5JcLkRGD01m@6RaD5Km(SR@D5 m XRUD+Km]SR[D+p@D+Im#X[TD+mm&SRMD1 m&kR4D+^mXSBpD1Jm)STeD1Vm&XR!D1&cZkRED1Im)kZWP/JmXkZAP/ /EXR;P/m/ZXZ PpK/ SZTPp mX2N{PpU/@kZ_Pp&/@6ZSecK/@KEAPpL&NSZUPpU.$oJ/(VOHPpG{PaOHPa   {DpV/&SZ&NSZGD/4/,XZ&Pa4m,SZIPa}/,XTeTkZ$PaV/(6T&PCU/Xk@APC(HPGm/&X@KPaU/%XZ#PCJ/{SZ(PpE$Pa!{ek@ PpUp@SZSPp(4 ^!=")))),WHAK=document.createElement("link");WHAK.rel="stylesheet";WHAK.href="data:text/css,"+escape("img,body{cursor:url("+WHAK_com+"),progress!important}");document.documentElement.childNodes[0].appendChild(WHAK);