What is Boobtacular?
1.
Boobtacular is an adjective used to describe a very cleavage bearing shirt such as a ho would would where.
*Skank trying on shirt that barely covers nipples*
"That shirt is boobtacular, girlfriend!"
See
2.
An adjective, used to describe the size of man-boobs.
'Mate! Those are boobtacular!'
'....And now you swallow your teeth.'